![]() The atomic number density (N atoms/cm 3), which is associated with atomic radii, is the number of atoms of a given type per unit volume (V cm 3) of the material. Therefore it is determined by the mass number (number of protons and neutrons). The atomic mass is carried by the atomic nucleus, which occupies only about 10 -12 of the total volume of the atom or less, but it contains all the positive charge and at least 99.95% of the total mass of the atom. Since the density (ρ) of a substance is the total mass (m) of that substance divided by the total volume (V) occupied by that substance, it is obvious, the density of a substance strongly depends on its atomic mass and also on the atomic number density (N atoms/cm 3), Density – Atomic Mass and Atomic Number Density The Standard English unit is pounds mass per cubic foot ( lbm/ft 3). The standard SI unit is kilograms per cubic meter ( kg/m 3). In words, the density (ρ) of a substance is the total mass (m) of that substance divided by the total volume (V) occupied by that substance. It is an intensive property, which is mathematically defined as mass divided by volume: Samarskite, a mineral named after V.Typical densities of various substances are at atmospheric pressure.ĭensity is defined as the mass per unit volume. ![]() Greek xénon, neuter form of xénos 'strange'Ĭeres, a dwarf planet, considered a planet at the time Symbol Sb is derived from Latin stibium ' stibnite'įrench iode, from Greek ioeidḗs, 'violet'.Latin antimonium, the origin of which is uncertain: folk etymologies suggest it is derived from Greek antí ('against') + mónos ('alone'), or Old French anti- moine, 'Monk's bane', but it could plausibly be from or related to Arabic ʾiṯmid, 'antimony', reformatted as a Latin word Latin indicum, ' indigo', the blue colour found in its spectrum Symbol Ag is derived from Latin argentum.Pallas, an asteroid, considered a planet at the time Greek rhodóeis, ' rose-coloured', from rhódon, ' rose' Greek molýbdaina, 'piece of lead', from mólybdos, 'lead', due to confusion with lead ore galena (PbS) Niobe, daughter of king Tantalus from Greek mythology see also tantalum Zircon, a mineral, from Persian zargun, 'gold-hued' Ytterby, Sweden, where it was found see also terbium, erbium, ytterbium Strontian, a village in Scotland, where it was found Most likely from German Zinke, 'prong' or 'tooth', though some suggest Persian sang, 'stone'įrench arsenic, from Greek arsenikón 'yellow arsenic' (influenced by arsenikós, 'masculine' or 'virile'), from a West Asian wanderword ultimately from Old Iranian *zarniya-ka, 'golden' Nickel, a mischievous sprite of German miner mythologyĮnglish word, from Latin cuprum, from Ancient Greek Kýpros ' Cyprus' Vanadis, an Old Norse name for the Scandinavian goddess FreyjaĬorrupted from magnesia negra see § magnesiumĮnglish word, from Proto-Celtic * īsarnom ('iron'), from a root meaning 'blood' Titans, the sons of the Earth goddess of Greek mythology New Latin potassa, ' potash', itself from pot and ash Greek argós, 'idle' (because of its inertness) Latin silex, ' flint' (originally silicium) Magnesia, a district of Eastern Thessaly in GreeceĪlumina, from Latin alumen (gen. Symbol Na is derived from New Latin natrium, coined from German Natron, ' natron'.Greek elements hydro- and -gen, ' water-forming'īeryl, a mineral (ultimately from the name of Belur in southern India) īorax, a mineral (from Arabic bawraq, Middle Persian * bōrag) For more detailed information about the origins of element names, see List of chemical element name etymologies. Like the periodic table, the list below organizes the elements by the number of protons in their atoms it can also be organized by other properties, such as atomic weight, density, and electronegativity. It is a tabular arrangement of the elements by their chemical properties that usually uses abbreviated chemical symbols in place of full element names, but the linear list format presented here is also useful. The definitive visualisation of all 118 elements is the periodic table of the elements, whose history along the principles of the periodic law was one of the founding developments of modern chemistry. A chemical element, often simply called an element, is a type of atom which has the same number of protons in its atomic nucleus (i.e., the same atomic number, or Z). This is a list of the 118 chemical elements which have been identified as of 2022. List of the 118 identified chemical elements
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