element of group I (alkaline)

См. также в других словарях:

• Alkaline earth metal — Group 2 Period  2 4 Be 3 …   Wikipedia

• Group 7 element — Group → 7 ↓ Period 4 25 Mn 5 …   Wikipedia

• Group 6 element — Group → 6 ↓ Period 4 24 Cr 5 …   Wikipedia

• Group 11 element — Group → 11 ↓ Period 4 29 Cu 5 …   Wikipedia

• Group 10 element — Group 10 redirects here. For the rugby league competition, see Group 10 Rugby League. Group → 4 ↓ Period 4 …   Wikipedia

• Group 9 element — Group → 4 ↓ Period 4 27 Co 5 …   Wikipedia

• Element — El e*ment, n. [F. [ e]l[ e]ment, L. elementum.] 1. One of the simplest or essential parts or principles of which anything consists, or upon which the constitution or fundamental powers of anything are based. [1913 Webster] 2. One of the ultimate …   The Collaborative International Dictionary of English

• alkaline-earth metal — /al keuh luyn errth , lin /, Chem. any of the group of bivalent metals including barium, radium, strontium, calcium, and, usually, magnesium, the hydroxides of which are alkalis but less soluble than those of the alkali metals. [1900 05] * * * ▪… …   Universalium

• Group (periodic table) — The periodic table of the chemical elements. The columns represent the groups In chemistry, a group (also known as a family) is a vertical column in the periodic table of the chemical elements. There are 18 groups in the standard periodic table,… …   Wikipedia

• alkaline-earth metal — noun any of the bivalent metals of group II of the periodic table (calcium or strontium or barium or magnesium or beryllium) • Syn: ↑alkaline earth • Hypernyms: ↑metallic element, ↑metal * * * noun : any of the metals of group II of the periodic… …   Useful english dictionary

• element — 1. A substance composed of atoms of only one kind, i.e., of identical atomic (proton) number, that therefore cannot be decomposed into two or more elements and that can lose its chemical properties only by union with some other e. or by a nuclear …   Medical dictionary