- alkaline-earth-metal spectrum
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спектр щелочноземельных металлов
Англо-русский словарь терминов металлургии и сварки. 2011.
alkaline-earth-metal spectrum
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Metal ions in aqueous solution — A metal ion in aqueous solution is a cation, dissolved in water, of chemical formula [M(H2O)n]z+. The solvation number, n, determined by a variety of experimental methods is 4 for Li+ and Be2+ and 6 for elements in rows 3 and 4 of the periodic… … Wikipedia
alkali metal — Chem. any of the group of univalent metals including potassium, sodium, lithium, rubidium, cesium, and francium, whose hydroxides are alkalis. [1880 85] * * * Any of the six chemical elements in the leftmost group of the periodic table (lithium,… … Universalium
Alkali metal — Group → 1 ↓ Period 2 3 Li 3 … Wikipedia
Transition metal — The term transition metal (sometimes also called a transition element) has two possible meanings: The IUPAC definition[1] states that a transition metal is an element whose atom has an incomplete d sub shell, or which can give rise to cations… … Wikipedia
rare-earth element — /rair errth /, Chem. any of a group of closely related metallic elements, comprising the lanthanides, scandium, and yttrium, that are chemically similar by virtue of having the same number of valence electrons. Also called rare earth metal. [1955 … Universalium
Hydrogen — This article is about the chemistry of hydrogen. For the physics of atomic hydrogen, see Hydrogen atom. For other meanings, see Hydrogen (disambiguation). ← hydrogen → helium … Wikipedia
Caesium — xenon ← caesium → barium Rb ↑ Cs ↓ Fr … Wikipedia
chemical compound — Introduction any substance composed of identical molecules consisting of atoms (atom) of two or more chemical elements (chemical element). All the matter in the universe is composed of the atoms of more than 100 different chemical elements … Universalium
Technetium — molybdenum ← technetium → ruthenium Mn ↑ Tc ↓ Re … Wikipedia
Indium — Not to be confused with Iridium. cadmium ← indium → tin Ga ↑ In ↓ Tl … Wikipedia
Nitrogen — carbon ← nitrogen → oxygen ↑ N ↓ P … Wikipedia
