Lead is widely used as a gamma shield. Neon is a colorless, odorless, inert monatomic gas under standard conditions, with about two-thirds the density of air. Thulium is an easily workable metal with a bright silvery-gray luster. Carbon is a chemical element with atomic number 6 which means there are 6 protons and 6 electrons in the atomic structure. Naturally occurring hydrogen contains about 99.985% of protium, 0.014% of deuterium and 0.001 % of tritium. Simply because one atom of hydrogen has only 1 proton (and no neutrons) in the nucleus, and correspondingly only one electron. Therefore the atomic mass of hydrogen is 1.00784 amu. The chemical symbol for Uranium is U. Krypton is a member of group 18 (noble gases) elements. Which quantum number (n, l, ml, or ms) determines each of the following? Americium is a transuranic member of the actinide series, in the periodic table located under the lanthanide element europium, and thus by analogy was named after the Americas. Curium is a hard, dense, silvery metal with a relatively high melting point and boiling point for an actinide. What about the mass number? The chemical symbol for Gadolinium is Gd. What gives an element its specific atomic number – its number of protons, neutrons, or electrons? The metal is found in the Earth’s crust in the pure, free elemental form (“native silver”), as an alloy with gold and other metals, and in minerals such as argentite and chlorargyrite. Atomic Mass or Weight Scale The chemical symbol for Thorium is Th. Fluorine is a chemical element with atomic number 9 which means there are 9 protons and 9 electrons in the atomic structure. The chemical symbol for Zirconium is Zr. Titanium is a chemical element with atomic number 22 which means there are 22 protons and 22 electrons in the atomic structure. Hydrogen is a chemical element with symbol H and atomic number 1. The chemical symbol for Europium is Eu. Atomic weight of Hydrogen is 1.008 u or g/mol. The chemical symbol for Holmium is Ho. The chemical symbol for Gold is Au. Englisch-Deutsch-Übersetzungen für Hydrogen im Online-Wörterbuch dict.cc (Deutschwörterbuch). If necessary, click on Reset Nucleus to see the simulation again. Radon occurs naturally as an intermediate step in the normal radioactive decay chains through which thorium and uranium slowly decay into lead. Every solid, liquid, gas, and plasma is composed of neutral or ionized atoms. The chemical symbol for Curium is Cm. The chemical symbol for Xenon is Xe. Molybdenum a silvery metal with a gray cast, has the sixth-highest melting point of any element. Calcium is a chemical element with atomic number 20 which means there are 20 protons and 20 electrons in the atomic structure. Our Website follows all legal requirements to protect your privacy. What is Atomic Number Density - Definition, What is Atomic and Nuclear Physics - Definition, What is Atomic and Nuclear Structure - Definition, Oganesson – Atomic Mass – Atomic Weight – Og. In some respects zinc is chemically similar to magnesium: both elements exhibit only one normal oxidation state (+2), and the Zn2+ and Mg2+ ions are of similar size. The chemical symbol for Rubidium is Rb. It has remarkable resistance to corrosion, even at high temperatures, and is therefore considered a noble metal. The chemical symbol for Tellurium is Te. State of Hydrogen is Gas at standard temperature and pressure Lanthanum is a soft, ductile, silvery-white metal that tarnishes rapidly when exposed to air and is soft enough to be cut with a knife. The chemical symbol for Tantalum is Ta. Atomic Number Orbital Energy Levels. Every hydrogen atom has one proton in its nucleus. It is non-toxic and nonmetallic at standard conditions (standard temperature and pressure). Hydrogen gas is the lightest of all gases. Ruthenium is a chemical element with atomic number 44 which means there are 44 protons and 44 electrons in the atomic structure. It is also the most corrosion-resistant metal, even at temperatures as high as 2000 °C. Although neodymium is classed as a rare earth, it is a fairly common element. Atomic Number of Hydrogen. This post has the solution for Atomic number of hydrogen crossword clue. The chemical symbol for Francium is Fr. The name samarium is after the mineral samarskite from which it was isolated. The chemical symbol for Platinum is Pt. The Cookies Statement is part of our Privacy Policy. There are three hydrogen isotopes: protium, mass 1, found in more than 99,9… Francium is an alkali metal, that has one valence electron. Neptunium is the first transuranic element. Like all alkali metals, lithium is highly reactive and flammable, and is stored in mineral oil. It is the heaviest essential mineral nutrient. Reveal answer. Manganese is a metal with important industrial metal alloy uses, particularly in stainless steels. For example, in a sodium atom, there are 11 electrons and 11 protons. The chemical symbol for Tungsten is W. Tungsten is a rare metal found naturally on Earth almost exclusively in chemical compounds. The chemical symbol for Terbium is Tb. It is the fifth most abundant element in Earth’s crust and the third most abundant metal, after iron and aluminium. Furthermore, all isotopes of an element typically have the same number of protons and different number of neutrons. It is a noble gas, non-metal and is the most abundant element in the universe. In an uncharged atom, the atomic number is also equal to the number of electrons. Hydrogen (H), for example , consist of one electron and one proton. First element in the periodic table. It is obtained chiefly from the mineral cassiterite, which contains tin dioxide. The chemical symbol for Lutetium is Lu. Since atoms are neutral, the number of electrons in an atom is equal to the number of protons. Being constructed of 1 proton and 1 electron it has no neutrons. Zirconium is a chemical element with atomic number 40 which means there are 40 protons and 40 electrons in the atomic structure. The chemical symbol for Hydrogen is H . Lead is soft and malleable, and has a relatively low melting point. Hydrogen: Symbol: H: Atomic Number: 1: Atomic Mass: 1.00794 atomic mass units: Number of Protons: 1: Number of Neutrons: 0: Number of Electrons: 1: Melting Point-259.14° C: Boiling Point-252.87° C: Density.08988 grams per cubic centimeter: Normal Phase: Gas: Family: Nonmetal: Period: 1: Cost: $1.00 per gram . The chemical symbol for Manganese is Mn. Arsenic occurs in many minerals, usually in combination with sulfur and metals, but also as a pure elemental crystal. The hydrogen atom, symbol H, is formed by a nucleus with one unit of positive charge and one electron. The atomic number of a sodium atom is 11 and its mass number is 23. Today, liquid hydrogen is used as a primary fuel of the American space program by The National Aeronautics and Space Administration (NASA). Bismuth is a chemical element with atomic number 83 which means there are 83 protons and 83 electrons in the atomic structure. The chemical symbol for Indium is In. This clue was last seen on New York Times Mini Crossword October 15 2020 Answers In case the clue doesn’t fit or there’s something […] Hydrogen is a chemical element with atomic number 1 which means there are 1 protons and 1 electrons in the atomic structure. Niobium is a chemical element with atomic number 41 which means there are 41 protons and 41 electrons in the atomic structure. Francium is a chemical element with atomic number 87 which means there are 87 protons and 87 electrons in the atomic structure. One more very important point is: hydrogen is now seen as a source of clean eco-friendly fuel of the future, which will help the humanity to solve the problem of pollution and being gas/oil dependent. Commercially, thallium is produced as a byproduct from refining of heavy metal sulfide ores. The chemical symbol for Astatine is At. Hydrogen is the most abundant element in the universe. Erbium is a chemical element with atomic number 68 which means there are 68 protons and 68 electrons in the atomic structure. Englisch-Deutsch-Übersetzungen für Hydrogen im Online-Wörterbuch dict.cc (Deutschwörterbuch). Americium is a chemical element with atomic number 95 which means there are 95 protons and 95 electrons in the atomic structure. Nobelium is the tenth transuranic element and is the penultimate member of the actinide series. Hydrogen has an atomic number of 1 and atomic mass of 1.007825g.mol -1. In nuclear industry cadmium is commonly used as a thermal neutron absorber due to very high neutron absorption cross-section of 113Cd. Platinum is a chemical element with atomic number 78 which means there are 78 protons and 78 electrons in the atomic structure. Bismuth is a brittle metal with a silvery white color when freshly produced, but surface oxidation can give it a pink tinge. It has a boiling point of -252.8C and a melting point of -259.2 C. What are the particles that are emitted from the nucleus? If there is a single neutron in its nucleus, the atom is called protium; if there are two neutrons in the nucleus, the atom is called deuterium and if there are three neutrons in the nucleus, the atom is called tritium. Radium is a chemical element with atomic number 88 which means there are 88 protons and 88 electrons in the atomic structure. Rhenium is a chemical element with atomic number 75 which means there are 75 protons and 75 electrons in the atomic structure. Neodymium is a soft silvery metal that tarnishes in air. Updated March 11, 2019. Gold is thought to have been produced in supernova nucleosynthesis, from the collision of neutron stars. Discoverer: Scientists at Dubna, Russia (1964)/Albert Ghiorso et. Chlorine is a chemical element with atomic number 17 which means there are 17 protons and 17 electrons in the atomic structure. In nuclear reactors, promethium equilibrium exists in power operation. Platinum is a dense, malleable, ductile, highly unreactive, precious, silverish-white transition metal. In the periodic table, the elements are listed in order of increasing atomic number Z. Atomic Number – Does it conserve in a nuclear reaction? The chemical symbol for Californium is Cf. Hydrogen is a colorless-looking chemical element with atomic number 1. Mendelevium is a chemical element with atomic number 101 which means there are 101 protons and 101 electrons in the atomic structure. Einsteinium is a chemical element with atomic number 99 which means there are 99 protons and 99 electrons in the atomic structure. Iron is a metal in the first transition series. The chemical symbol for Lithium is Li. 15. Caesium is a soft, silvery-gold alkali metal with a melting point of 28.5 °C, which makes it one of only five elemental metals that are liquid at or near room temperature. Francium is a highly radioactive metal that decays into astatine, radium, and radon. Berkelium is a chemical element with atomic number 97 which means there are 97 protons and 97 electrons in the atomic structure. The superscripts 1, 2 and 3 written before H are the atomic masses of the isotopes of hydrogen and the subscript 1 is the atomic number. Like all elements with atomic number over 100, lawrencium can only be produced in particle accelerators by bombarding lighter elements with charged particles. Iron is a chemical element with atomic number 26 which means there are 26 protons and 26 electrons in the atomic structure. Silicon is a chemical element with atomic number 14 which means there are 14 protons and 14 electrons in the atomic structure. Lutetium is a silvery white metal, which resists corrosion in dry air, but not in moist air. In fact their absorption cross-sections are the highest among all stable isotopes. In nuclear industry, especially natural and artificial samarium 149 has an important impact on the operation of a nuclear reactor. Berkelium is a member of the actinide and transuranium element series. Calculate the number of protons, neutrons and electrons it contains. The chemical symbol for Scandium is Sc. the atomic number is one. Rubidium is a chemical element with atomic number 37 which means there are 37 protons and 37 electrons in the atomic structure. Selenium is a nonmetal with properties that are intermediate between the elements above and below in the periodic table, sulfur and tellurium, and also has similarities to arsenic. It occurs on Earth as the decay product of various heavier elements. Fermium is a chemical element with atomic number 100 which means there are 100 protons and 100 electrons in the atomic structure. Being constructed of 1 proton and 1 electron it has no neutrons. 2) You may not distribute or commercially exploit the content, especially on another website. The atomic number of hydrogen is 1. This clue was last seen on New York Times Mini Crossword October 15 2020 Answers In case the clue doesn’t fit or there’s something […] Lead is a heavy metal that is denser than most common materials. It is extensively used in a large variety of industrial branches, from chemical industry (producing fertilizers, etc) to electronic (substance producing) and food industry, etc. The chemical symbol for Beryllium is Be. Praseodymium is a chemical element with atomic number 59 which means there are 59 protons and 59 electrons in the atomic structure. Antimony is a chemical element with atomic number 51 which means there are 51 protons and 51 electrons in the atomic structure. The chemical symbol for Plutonium is Pu. Osmium is the densest naturally occurring element, with a density of 22.59 g/cm3. Argon is mostly used as an inert shielding gas in welding and other high-temperature industrial processes where ordinarily unreactive substances become reactive; for example, an argon atmosphere is used in graphite electric furnaces to prevent the graphite from burning. It has a standard atomic weight of 1.008, meaning it is the lightest element in the periodic table. It is even less abundant than the so-called rare earths. Discoverer: Priestley, Joseph and Scheele, Carl Wilhelm, Discoverer: Ramsay, William and Travers, Morris, Discoverer: Ramsay, Sir William and Strutt, John (Lord Rayleigh), Discoverer: Del Rio, Andrés Manuel (1801) and Sefström, Nils Gabriel (1830), Discoverer: Lecoq de Boisbaudran, Paul-Émile, Discoverer: Ramsay, Sir William and Travers, Morris, Discoverer: Bunsen, Robert Wilhelm and Kirchhoff, Gustav Robert, Discoverer: Perrier, Carlo and Segrè, Emilio, Discoverer: Reich, Ferdinand and Richter, Hieronymus, Discoverer: Müller von Reichenstein, Franz Joseph, Discoverer: Ramsay, William and Travers, Morris William, Discoverer: Kirchhoff, Gustav and Bunsen, Robert. The free element, produced by reductive smelting, is a hard, lustrous, silver-gray metal. Does the atomic number change when hydrogen-3 decays to helium-3? Hydrogen is the first element in the periodic tableand has the atomic number one. The universal emergence of atomic hydrogen first occurred during the recombination epoch . Cerium is also traditionally considered one of the rare-earth elements. The chemical symbol for Samarium is Sm. Crossword Clue The crossword clue Hydrogen's atomic number with 3 letters was last seen on the July 23, 2020.We think the likely answer to this clue is ONE.Below are all possible answers to this clue ordered by its rank. Hydrogen is located at position 1 … The atomic number uniquely identifies a chemical element.It is identical to the charge number of the nucleus. “Atomic number of hydrogen” We are sharing answer for NYT Mini Crossword of October 15 2020 for clue that we published below. Hydrogen is mostly used in the petroleum and chemical industries. Copper is a soft, malleable, and ductile metal with very high thermal and electrical conductivity. The chemical symbol for Iridium is Ir. Under standard conditions, it is the lightest metal and the lightest solid element. Hydrogen. Einsteinium is the seventh transuranic element, and an actinide. Neodymium is not found naturally in metallic form or unmixed with other lanthanides, and it is usually refined for general use. Hydrogen= 1; Helium=2; Lithium=3; Beryllium=4; Boron=5; Carbon=6; Nitogen=7; Oxygen=8; Finding the Atomic Number. It is the eponym of the lanthanide series, a group of 15 similar elements between lanthanum and lutetium in the periodic table, of which lanthanum is the first and the prototype. Next on the table is helium, whose atoms have two protons in the nucleus. The chemical symbol for Mendelevium is Md. Hydrogen= 1; Helium=2; Lithium=3; Beryllium=4; Boron=5; Carbon=6; Nitogen=7; Oxygen=8; Finding the Atomic Number. It is a noble metal and a member of the platinum group. It is a decimal number. The chemical symbol for Silicon is Si. Neptunium metal is silvery and tarnishes when exposed to air. It is the heaviest element that can be formed by neutron bombardment of lighter elements, and hence the last element that can be prepared in macroscopic quantities. These condensers use tubes that are usually made of stainless steel, copper alloys, or titanium depending on several selection criteria (such as thermal conductivity or corrosion resistance). Uranium has the highest atomic weight of the primordially occurring elements. The chemical symbol for Thulium is Tm. Iridium is a very hard, brittle, silvery-white transition metal of the platinum group, iridium is generally credited with being the second densest element (after osmium). The first alloy used on a large scale was bronze, made of tin and copper, from as early as 3000 BC. Hydrogen is a chemical element. The chemical symbol for Selenium is Se. Samarium is a chemical element with atomic number 62 which means there are 62 protons and 62 electrons in the atomic structure. Chemically, sulfur reacts with all elements except for gold, platinum, iridium, tellurium, and the noble gases. Although classified as a rare earth element, samarium is the 40th most abundant element in the Earth’s crust and is more common than such metals as tin. The ninth member of the lanthanide series, terbium is a fairly electropositive metal that reacts with water, evolving hydrogen gas. Ytterbium is a chemical element with atomic number 70 which means there are 70 protons and 70 electrons in the atomic structure. Uranium is a silvery-white metal in the actinide series of the periodic table. The name xenon for this gas comes from the Greek word ξένον [xenon], neuter singular form of ξένος [xenos], meaning ‘foreign(er)’, ‘strange(r)’, or ‘guest’. We assume no responsibility for consequences which may arise from the use of information from this website. Nitrogen is a chemical element with atomic number 7 which means there are 7 protons and 7 electrons in the atomic structure. Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and images. Each hydrogen atom has one proton, which means it has a +1 effective nuclear charge. It is a soft, silvery-white alkali metal. Holmium is a relatively soft and malleable silvery-white metal. Promethium is a chemical element with atomic number 61 which means there are 61 protons and 61 electrons in the atomic structure. What are the particles that are emitted from the nucleus? Total number of protons in the nucleus is called the … It is the Pauli exclusion principle that requires the electrons in an atom to occupy different energy levels instead of them all condensing in the ground state. The chemical symbol for Strontium is Sr. Strontium is an alkaline earth metal, strontium is a soft silver-white yellowish metallic element that is highly reactive chemically. Atomic hydrogen is used for in-situ cleaning of Si substrates, leading to significant reductions in surface contamination. We found 1 possible solution for the Atomic number of hydrogen crossword clue: POSSIBLE ANSWER: ONE On this page you will find the solution to Atomic number of hydrogen crossword clue. It is a noble gas, non-metal and is the most abundant element in the universe. Manganese is a chemical element with atomic number 25 which means there are 25 protons and 25 electrons in the atomic structure. Hydrogen is a chemical element with atomic number 1 which means there are 1 protons and 1 electrons in the atomic structure. The chemical properties of this silvery gray, crystalline transition metal are intermediate between rhenium and manganese. Elemental rubidium is highly reactive, with properties similar to those of other alkali metals, including rapid oxidation in air. Zirconium is a lustrous, grey-white, strong transition metal that resembles hafnium and, to a lesser extent, titanium. The most commonly used spontaneous fission neutron source is the radioactive isotope californium-252. 1) You may use almost everything for non-commercial and educational use. Californium is a chemical element with atomic number 98 which means there are 98 protons and 98 electrons in the atomic structure. The chemical symbol for Tin is Sn. The total electrical charge of the nucleus is therefore +Ze, where e (elementary charge) equals to 1,602 x 10-19 coulombs. The chemical symbol for Protactinium is Pa. Protactinium is a dense, silvery-gray metal which readily reacts with oxygen, water vapor and inorganic acids. Under normal conditions, sulfur atoms form cyclic octatomic molecules with a chemical formula S8. Number of protons = 11. Hence the atomic number of hydrogen is 1. The chemical properties of the atom are determined by the number of protons, in fact, by number and arrangement of electrons. Nickel belongs to the transition metals and is hard and ductile. Hafnium’s large neutron capture cross-section makes it a good material for neutron absorption in control rods in nuclear power plants, but at the same time requires that it be removed from the neutron-transparent corrosion-resistant zirconium alloys used in nuclear reactors. The element number or atomic number is the number of protons present in the atom. Scandium is a chemical element with atomic number 21 which means there are 21 protons and 21 electrons in the atomic structure. It's essential for all life and abundant in the universe, so it's one element you should get to know better. Terbium is a silvery-white, rare earth metal that is malleable, ductile, and soft enough to be cut with a knife. Iridium is a chemical element with atomic number 77 which means there are 77 protons and 77 electrons in the atomic structure. Platinum is one of the least reactive metals. Discoverer: Marinsky, Jacob A. and Coryell, Charles D. and Glendenin, Lawerence. Hydrogen is a chemical element with atomic number 1 which means there are 1 protons in its nucleus. The wavefunctions for the hydrogen atom depend upon the three variables r, θ, and φ and the three quantum numbers n, ℓ, and mℓ. Hydrogen (H) is a tasteless, colorless, odorless gas and has the atomic number 1. Hydrogen is a chemical element with atomic number 1 which means there are 1 protons and 1 electrons in the atomic structure. In a neutral atom there are as many electrons as protons moving about nucleus. Dysprosium is a chemical element with atomic number 66 which means there are 66 protons and 66 electrons in the atomic structure. Actinium is a soft, silvery-white radioactive metal. Thorium is commonly found in monazite sands (rare earth metals containing phosphate mineral). It is useful to know that the value of \(hcR = 13.6 eV\). Its density is about 70% higher than that of lead, and slightly lower than that of gold or tungsten. For example, protium, deuterium, and tritium are three isotopes of H which all have Z= 1 Known as the most abundant and the lightest chemical element in our Universe, hydrogenis a type of gas without color and smell, which also has the lowest density of all gases. Loosely speaking, the existence or construction of a periodic table of elements creates an ordering of the elements, and so they can be numbered in order. Sodium is an alkali metal, being in group 1 of the periodic table, because it has a single electron in its outer shell that it readily donates, creating a positively charged atom—the Na+ cation. All of its isotopes are radioactive. All of the alkali metals have a single valence electron in the outer electron shell, which is easily removed to create an ion with a positive charge – a cation, which combines with anions to form salts. Lawrencium is the final member of the actinide series. Atomic number = Number of protons. Thorium is a naturally-occurring element and it is estimated to be about three times more abundant than uranium. Hafnium is a chemical element with atomic number 72 which means there are 72 protons and 72 electrons in the atomic structure. The chemical symbol for Thallium is Tl. Atomic number of few elements. Liquid nitrogen (made by distilling liquid air) boils at 77.4 kelvins (−195.8°C) and is used as a coolant. Krypton is a chemical element with atomic number 36 which means there are 36 protons and 36 electrons in the atomic structure. Astatine is the rarest naturally occurring element on the Earth’s crust. Because of its closed-shell electron configuration, its density and melting and boiling points differ significantly from those of most other lanthanides. The chemical symbol for Berkelium is Bk. The chemical symbol for Hydrogen is H. The atom consist of a small but massive nucleus surrounded by a cloud of rapidly moving electrons. Its extreme rarity in the Earth’s crust, comparable to that of platinum. It is also sometimes considered the first element of the 6th-period transition metals and is traditionally counted among the rare earth elements. The chemical symbol for Radium is Ra. Chlorine is a yellow-green gas at room temperature. Gold is a bright, slightly reddish yellow, dense, soft, malleable, and ductile metal. By mass, oxygen is the third-most abundant element in the universe, after hydrogen and helium. The chemical symbol for hydrogen is H. The melting point of hydrogen is 14,025 degrees Kelvin or -258,125 degrees Celsius or degrees Celsius. The chemical symbol for Nickel is Ni. Silver is a soft, white, lustrous transition metal, it exhibits the highest electrical conductivity, thermal conductivity, and reflectivity of any metal. It’s one of the main compounds of water and of all organic matter, and it’s widely spread not only in The Earth but also in the entire Universe. These elements, along with the chemically similar elements scandium and yttrium, are often collectively known as the rare earth elements. With a standard atomic weight of circa 1.008, hydrogen is the lightest element on the periodic table. Does the atomic number change when hydrogen-3 decays to helium-3? Radon is a chemical element with atomic number 86 which means there are 86 protons and 86 electrons in the atomic structure. Its abundance in rocky planets like Earth is due to its abundant production by fusion in high-mass stars. Gallium is a chemical element with atomic number 31 which means there are 31 protons and 31 electrons in the atomic structure. The chemical symbol for Argon is Ar. Selenium is a chemical element with atomic number 34 which means there are 34 protons and 34 electrons in the atomic structure. The most common way of showing the arrangement of electrons in an atom is to draw diagrams like those shown in the diagram. The chemical symbol for Boron is B. Calcium is an alkaline earth metal, it is a reactive pale yellow metal that forms a dark oxide-nitride layer when exposed to air. The chemical symbol for Molybdenum is Mo. Melting point of Hydrogen is -259,1 °C and its the boiling point is -252,9 °C. See also: Atomic Number – Does it conserve in a nuclear reaction? The information contained in this website is for general information purposes only. This is also the value of the ionization energy of an electron in a hydrogen atom. They share new crossword puzzle for newspaper and mobile apps everyday. Copper is a chemical element with atomic number 29 which means there are 29 protons and 29 electrons in the atomic structure. The chemical symbol for Carbon is C. It is nonmetallic and tetravalent—making four electrons available to form covalent chemical bonds. The chemical symbol for Polonium is Po. Discoverer: Coster, Dirk and De Hevesy, George Charles, Discoverer: Elhuyar, Juan José and Elhuyar, Fausto, Discoverer: Noddack, Walter and Berg, Otto Carl and Tacke, Ida. As the most electronegative element, it is extremely reactive: almost all other elements, including some noble gases, form compounds with fluorine. Those elements which have the same atomic number but a different mass number are called isotopes. Caesium has physical and chemical properties similar to those of rubidium and potassium. The most probable fission fragment masses are around mass 95 (Krypton) and 137 (Barium). Astatine is a chemical element with atomic number 85 which means there are 85 protons and 85 electrons in the atomic structure. It is fairly soft and slowly tarnishes in air. The chemical symbol for Ytterbium is Yb. Technetium is a chemical element with atomic number 43 which means there are 43 protons and 43 electrons in the atomic structure. In nuclear industry gadolinium is commonly used as a neutron absorber due to very high neutron absorbtion cross-section of two isotopes 155Gd and 157Gd. Oxygen is a colourless, odourless reactive gas, the chemical element of atomic number 8 and the life-supporting component of the air. Hydrogen is the first element in the periodic table and has the atomic number one. It is a member of the chalcogen group on the periodic table, a highly reactive nonmetal, and an oxidizing agent that readily forms oxides with most elements as well as with other compounds. The chemical symbol for Titanium is Ti. Classified as a nonmetal, Hydrogen is a gas at room temperature. Uranium is a chemical element with atomic number 92 which means there are 92 protons and 92 electrons in the atomic structure. Hydrogen: Symbol: H: Atomic Number: 1: Atomic Mass: 1.00794 atomic mass units: Number of Protons: 1: Number of Neutrons: 0: Number of Electrons: 1: Melting Point-259.14° C: Boiling Point-252.87° C: Density.08988 grams per cubic centimeter: Normal Phase: Gas: Family: Nonmetal: Period: 1: … In the periodic table, potassium is one of the alkali metals. a. It is the electrons that are responsible for the chemical bavavior of atoms, and which identify the various chemical elements.

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