The chemical symbol for Tantalum is Ta. Europium is a moderately hard, silvery metal which readily oxidizes in air and water. Tungsten is an intrinsically brittle and hard material, making it difficult to work. Neon is a chemical element with atomic number 10 which means there are 10 protons and 10 electrons in the atomic structure. Rubidium is a soft, silvery-white metallic element of the alkali metal group, with an atomic mass of 85.4678. Add to Likebox #136394212 - Nitrogen … Phosphorus is a chemical element with atomic number 15 which means there are 15 protons and 15 electrons in the atomic structure. 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. Platinum is used in catalytic converters, laboratory equipment, electrical contacts and electrodes, platinum resistance thermometers, dentistry equipment, and jewelry. It is obtained chiefly from the mineral cassiterite, which contains tin dioxide. The chemical symbol for Astatine is At. Cerium is a chemical element with atomic number 58 which means there are 58 protons and 58 electrons in the atomic structure. These elements, along with the chemically similar elements scandium and yttrium, are often collectively known as the rare earth elements. The chemical symbol for Potassium is K. Potassium was first isolated from potash, the ashes of plants, from which its name derives. The configuration of these electrons follows from the principles of quantum mechanics. The ordering of the electrons in the ground state of multielectron atoms, starts with the lowest energy state (ground state) and moves progressively from there up the energy scale until each of the atom’s electrons has been assigned a unique set of quantum numbers. Titanium can be used in surface condensers. Tellurium is a brittle, mildly toxic, rare, silver-white metalloid. It is the fourth most common element in the Earth’s crust. Zirconium is mainly used as a refractory and opacifier, although small amounts are used as an alloying agent for its strong resistance to corrosion. When reacting with other chemicals, it will often try to take electrons from other atoms/ions to get a full octet. It is the heaviest essential mineral nutrient. By mass, aluminium makes up about 8% of the Earth’s crust; it is the third most abundant element after oxygen and silicon and the most abundant metal in the crust, though it is less common in the mantle below. The chemical symbol for Zinc is Zn. Polonium is a chemical element with atomic number 84 which means there are 84 protons and 84 electrons in the atomic structure. 1.electronegativity increases 2.first ionization decreases 3.the number of valence electrons increases 4.the number of electron shells decreases Antimony is a lustrous gray metalloid, it is found in nature mainly as the sulfide mineral stibnite. Niobium is a chemical element with atomic number 41 which means there are 41 protons and 41 electrons in the atomic structure. The chemical symbol for Niobium is Nb. Its abundance in rocky planets like Earth is due to its abundant production by fusion in high-mass stars. In nuclear reactors, promethium equilibrium exists in power operation. The chemical symbol for Iridium is Ir. View this answer The mass number of nitrogen is 14. Being a typical member of the lanthanide series, europium usually assumes the oxidation state +3. Thus, the valency of nitrogen is 3. Actinium gave the name to the actinide series, a group of 15 similar elements between actinium and lawrencium in the periodic table. Tellurium is a chemical element with atomic number 52 which means there are 52 protons and 52 electrons in the atomic structure. Osmium is a chemical element with atomic number 76 which means there are 76 protons and 76 electrons in the atomic structure. Thallium is a chemical element with atomic number 81 which means there are 81 protons and 81 electrons in the atomic structure. The chemical symbol for Tellurium is Te. The total electrical charge of the nucleus is therefore +Ze, where e (elementary charge) equals to 1,602 x 10-19 coulombs. Its atomic number is 7 and it is denoted by the symbol ‘N’ in the periodic table. Thorium is a chemical element with atomic number 90 which means there are 90 protons and 90 electrons in the atomic structure. Neon is a colorless, odorless, inert monatomic gas under standard conditions, with about two-thirds the density of air. Nearly all technetium is produced synthetically, and only minute amounts are found in the Earth’s crust. Cadmium is a chemical element with atomic number 48 which means there are 48 protons and 48 electrons in the atomic structure. Francium is an alkali metal, that has one valence electron. Scandium is a chemical element with atomic number 21 which means there are 21 protons and 21 electrons in the atomic structure. Nitrogen (atomic number 7) and phosphorus (atomic number 15) belong to the group 15 of the Periodic Table. The chemical symbol for Neon is Ne. The chemical symbol for Berkelium is Bk. The chemical symbol for Gold is Au. It is by mass the most common element on Earth, forming much of Earth’s outer and inner core. Manganese is a metal with important industrial metal alloy uses, particularly in stainless steels. Iodine is the least abundant of the stable halogens, being the sixty-first most abundant element. Where more than one isotope exists, the value given is the abundance weighted average. Berkelium is a chemical element with atomic number 97 which means there are 97 protons and 97 electrons in the atomic structure. Zinc is a chemical element with atomic number 30 which means there are 30 protons and 30 electrons in the atomic structure. Actinium is a soft, silvery-white radioactive metal. 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. Astatine is the rarest naturally occurring element on the Earth’s crust. Its electronic configuration is 2, 5. Fourteen radioisotopes are also known, with atomic masses ranging from 10 to 25, along with one nuclear isomer, 11m N. Francium is a highly radioactive metal that decays into astatine, radium, and radon. The most commonly used spontaneous fission neutron source is the radioactive isotope californium-252. Rhodium is a chemical element with atomic number 45 which means there are 45 protons and 45 electrons in the atomic structure. It has the chemical symbol N and atomic number 7. Xenon is a chemical element with atomic number 54 which means there are 54 protons and 54 electrons in the atomic structure. Argon is the third-most abundant gas in the Earth’s atmosphere, at 0.934% (9340 ppmv). The chemical symbol for Terbium is Tb. The chemical symbol for Uranium is U. As the most electronegative element, it is extremely reactive: almost all other elements, including some noble gases, form compounds with fluorine. The chemical symbol for Lutetium is Lu. Indium is a post-transition metal that makes up 0.21 parts per million of the Earth’s crust. Terbium is a silvery-white, rare earth metal that is malleable, ductile, and soft enough to be cut with a knife. Discoverer: Scientists at Dubna, Russia (1964)/Albert Ghiorso et. Discoverer: Davy, Sir H. and Thénard, L.-J. There are over 100 different borate minerals, but the most common are: borax, kernite, ulexite etc. Osmium is the densest naturally occurring element, with a density of 22.59 g/cm3. It is a colourless, odourless, generally inert gas, minimally reactive at room temperature. The chemical symbol for Mendelevium is Md. At 0.099%, phosphorus is the most abundant pnictogen in the Earth’s crust. The chemical symbol for Osmium is Os. It is the lightest pnictogen and at room temperature, it is a transparent, odorless diatomic gas. Rubidium is a chemical element with atomic number 37 which means there are 37 protons and 37 electrons in the atomic structure. Promethium is one of only two such elements that are followed in the periodic table by elements with stable forms. Osmium is a hard, brittle, bluish-white transition metal in the platinum group that is found as a trace element in alloys, mostly in platinum ores. nitrogen 13: (N) [ ni´tro-jen ] a chemical element, atomic number 7, atomic weight 14.007. In nuclear industry, especially artificial xenon 135 has a tremendous impact on the operation of a nuclear reactor. 2020-11-21 by Nick Connor Atomic Mass of Nitrogen Atomic mass of Nitrogen is 14.0067 u. al. The chemical symbol for Erbium is Er. Lutetium is the last element in the lanthanide series, and it is traditionally counted among the rare earths. 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. 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 Silver is Ag. Lawrencium is the final member of the actinide series. The chemical symbol for Gadolinium is Gd. Our Website follows all legal requirements to protect your privacy. Only about 5×10−8% of all matter in the universe is europium. Palladium, platinum, rhodium, ruthenium, iridium and osmium form a group of elements referred to as the platinum group metals (PGMs). Its stable inside typically contains 14 nucleons (7 protons and 7 neutrons). Nitrogen is one of the prehsitric elements. Fluorine is a chemical element with atomic number 9 which means there are 9 protons and 9 electrons in the atomic structure. Like the other metals of the platinum group, ruthenium is inert to most other chemicals. All of its isotopes are radioactive. Explore the Uses of Nitrogen. Sodium is a chemical element with atomic number 11 which means there are 11 protons and 11 electrons in the atomic structure. The chemical symbol for Americium is Am. Atomic number is sometimes known as Proton Number. Nitrogen, the most common element in our atmosphere, has an atomic number of 7, which means it has 7 protons and 7 electrons. E. Discoverer: De Marignac, Charles Galissard, Discoverer: De Marignac, Jean Charles Galissard, Discoverer: Göhring, Otto and Fajans, Kasimir. Cerium is a soft, ductile and silvery-white metal that tarnishes when exposed to air, and it is soft enough to be cut with a knife. Its physical and chemical properties are most similar to its heavier homologues strontium and barium. 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. Each entry has a full citation identifying its source. Uranium has the highest atomic weight of the primordially occurring elements. Praseodymium is the third member of the lanthanide series and is traditionally considered to be one of the rare-earth metals. Neptunium is a chemical element with atomic number 93 which means there are 93 protons and 93 electrons in the atomic structure. Uranium is a silvery-white metal in the actinide series of the periodic table. Tellurium is far more common in the universe as a whole than on Earth. The chemical symbol for Nitrogen is N. Atomic Mass of Nitrogen Atomic mass of Nitrogen is 14.0067 u. 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. All isotopes of radium are highly radioactive, with the most stable isotope being radium-226. Tellurium is chemically related to selenium and sulfur. Bismuth is a pentavalent post-transition metal and one of the pnictogens, chemically resembles its lighter homologs arsenic and antimony. Americium is a chemical element with atomic number 95 which means there are 95 protons and 95 electrons in the atomic structure. It is also sometimes considered the first element of the 6th-period transition metals and is traditionally counted among the rare earth elements. Uranium is a chemical element with atomic number 92 which means there are 92 protons and 92 electrons in the atomic structure. Neodymium is a soft silvery metal that tarnishes in air. Mercury is commonly known as quicksilver and was formerly named hydrargyrum. Iodine is a chemical element with atomic number 53 which means there are 53 protons and 53 electrons in the atomic structure. The chemical symbol for Molybdenum is Mo. Titanium condenser tubes are usually the best technical choice, however titanium is very expensive material. The chemical symbol for Samarium is Sm. However, a nitrogen atom will only have three of these slots filled. The chemical symbol for Plutonium is Pu. The chemical symbol for Cadmium is Cd. 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. Gold is a transition metal and a group 11 element. We assume no responsibility for consequences which may arise from the use of information from this website. Uranium is weakly radioactive because all isotopes of uranium are unstable, with half-lives varying between 159,200 years and 4.5 billion years. Lead has the highest atomic number of any stable element and concludes three major decay chains of heavier elements. Pure radium is silvery-white alkaline earth metal. Similar Images . It is a soft, silvery-white alkali metal. Nitrogen is used in to manufacture high quality stainless steel. It is fairly soft and slowly tarnishes in air. 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 Beryllium is Be. That NCl5 is not formed but Pcl5 exist due to the reason mentioned above. Rhenium is a chemical element with atomic number 75 which means there are 75 protons and 75 electrons in the atomic structure. Xenon is a colorless, dense, odorless noble gas found in the Earth’s atmosphere in trace amounts. Technetium is the lightest element whose isotopes are all radioactive; none are stable. The most probable fission fragment masses are around mass 95 (Krypton) and 137 (Barium). The chemical symbol for Tin is Sn. The chemical symbol for Curium is Cm. Elemental sulfur is a bright yellow crystalline solid at room temperature. The chemical symbol for Nickel is Ni. The chemical symbol for Einsteinium is Es. Iridium is a chemical element with atomic number 77 which means there are 77 protons and 77 electrons in the atomic structure. Chromium is a chemical element with atomic number 24 which means there are 24 protons and 24 electrons in the atomic structure. The chemical symbol for Lead is Pb. Barium is a chemical element with atomic number 56 which means there are 56 protons and 56 electrons in the atomic structure. Nitrogen. By mass, oxygen is the third-most abundant element in the universe, after hydrogen and helium. Add to Likebox #54571499 - Nitrogen cycle. Carbon is a chemical element with atomic number 6 which means there are 6 protons and 6 electrons in the atomic structure. Pure germanium is a semiconductor with an appearance similar to elemental silicon. Thorium is moderately hard, malleable, and has a high melting point. Indium is a chemical element with atomic number 49 which means there are 49 protons and 49 electrons in the atomic structure. Atomic Number – Does it conserve in a nuclear reaction? Scandium is a silvery-white metallic d-block element, it has historically been sometimes classified as a rare-earth element, together with yttrium and the lanthanides. The chemical symbol for Neptunium is Np. Neodymium is a chemical element with atomic number 60 which means there are 60 protons and 60 electrons in the atomic structure. Atomic weight of Nitrogen is 14.007 u or g/mol. Total number of protons in the nucleus is called the atomic number of the atom and is given the symbol Z. Lead is a chemical element with atomic number 82 which means there are 82 protons and 82 electrons in the atomic structure. Berkelium is a member of the actinide and transuranium element series. Natural boron consists primarily of two stable isotopes, 11B (80.1%) and 10B (19.9%). Silver is a soft, white, lustrous transition metal, it exhibits the highest electrical conductivity, thermal conductivity, and reflectivity of any metal. Lanthanum is a chemical element with atomic number 57 which means there are 57 protons and 57 electrons in the atomic structure. Dysprosium is used for its high thermal neutron absorption cross-section in making control rods in nuclear reactors, for its high magnetic susceptibility in data storage applications. It was first discovered and isolated by Scottish physician Daniel Rutherford in 1772. Bismuth is a brittle metal with a silvery white color when freshly produced, but surface oxidation can give it a pink tinge. Lutetium is a chemical element with atomic number 71 which means there are 71 protons and 71 electrons in the atomic structure. The chemical symbol for Hafnium is Hf. It is the electrons that are responsible for the chemical bavavior of atoms, and which identify the various chemical elements. Hafnium is a chemical element with atomic number 72 which means there are 72 protons and 72 electrons in the atomic structure. It is a colorless, odorless, tasteless, non-toxic, inert, monatomic gas, the first in the noble gas group in the periodic table. Nitrogen is a colourless, odourless unreactive gas that forms about 78% of the earth’s atmosphere. Nitrogen gas is relatively inert, but soil bacteria can 'fix' nitrogen into a form that … Lutetium is a silvery white metal, which resists corrosion in dry air, but not in moist air. Erbium is a silvery-white solid metal when artificially isolated, natural erbium is always found in chemical combination with other elements. Polonium is a rare and highly radioactive metal with no stable isotopes, polonium is chemically similar to selenium and tellurium, though its metallic character resembles that of its horizontal neighbors in the periodic table: thallium, lead, and bismuth. Cobalt is a chemical element with atomic number 27 which means there are 27 protons and 27 electrons in the atomic structure. Aluminium is a silvery-white, soft, nonmagnetic, ductile metal in the boron group. Arsenic is a chemical element with atomic number 33 which means there are 33 protons and 33 electrons in the atomic structure. Oxygen is a colourless, odourless reactive gas, the chemical element of atomic number 8 and the life-supporting component of the air. The chemical symbol for Phosphorus is P. As an element, phosphorus exists in two major forms—white phosphorus and red phosphorus—but because it is highly reactive, phosphorus is never found as a free element on Earth. Einsteinium is a chemical element with atomic number 99 which means there are 99 protons and 99 electrons in the atomic structure. The chemical symbol for Bromine is Br. 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. Krypton is a member of group 18 (noble gases) elements. Like all elements with atomic number over 100, lawrencium can only be produced in particle accelerators by bombarding lighter elements with charged particles. Nitrogen is placed AFTER carbon whose atomic number is 6. Thulium is the thirteenth and third-last element in the lanthanide series. Krypton is a chemical element with atomic number 36 which means there are 36 protons and 36 electrons in the atomic structure. These have similar chemical properties, but palladium has the lowest melting point and is the least dense of them. The chemical symbol for Praseodymium is Pr. Platinum is a dense, malleable, ductile, highly unreactive, precious, silverish-white transition metal. 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. Nickel is a silvery-white lustrous metal with a slight golden tinge. The chemical symbol for Calcium is Ca. The chemical symbol for Chlorine is Cl. It is the fifth most abundant element in Earth’s crust and the third most abundant metal, after iron and aluminium. In nuclear industry cadmium is commonly used as a thermal neutron absorber due to very high neutron absorption cross-section of 113Cd. It is a colorless, odorless, tasteless gas that is the most plentiful element in Earth’s atmosphere and is a constituent of all living matter. Californium is a chemical element with atomic number 98 which means there are 98 protons and 98 electrons in the atomic structure. Hydrogen is a chemical element with atomic number 1 which means there are 1 protons in its nucleus.Total number of protons in the nucleus is called the atomic number of the atom and is given the symbol Z.The total electrical charge of the … The chemical symbol for Indium is In. Einsteinium is the seventh transuranic element, and an actinide. 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’. Chlorine is a chemical element with atomic number 17 which means there are 17 protons and 17 electrons in the atomic structure. Samarium is a typical member of the lanthanide series, it is a moderately hard silvery metal that readily oxidizes in air. Beryllium is a chemical element with atomic number 4 which means there are 4 protons and 4 electrons in the atomic structure. Nitrogen (atomic number 7) and phosphorus (atomic number 15) belong to group 15 of the Periodic Table. 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