- ytterbium metals
- ytterbium metals,= yttrium metals. (Cf. ↑yttrium metals)
Useful english dictionary. 2012.
Useful english dictionary. 2012.
Ytterbium — Yb redirects here. For the unit of information, see Yottabit. thulium ← ytterbium → lutetium ↑ Yb ↓ No … Wikipedia
ytterbium — ytterbic, ytterbous, adj. /i terr bee euhm/, n. Chem. a rare metallic element found in gadolinite and forming compounds resembling those of yttrium. Symbol: Yb; at. wt.: 173.04; at. no.: 70; sp. gr.: 6.96. Cf. rare earth element. [1875 80; < NL;… … Universalium
yttrium metals — yttrium metals, a group of metals that include yttrium and the rare earth metals dysprosium, erbium, holmium, lutetium, thulium, and ytterbium … Useful english dictionary
yttrium metals — n. a series of closely related metals including yttrium, holmium, erbium, thulium, ytterbium, lutetium, and sometimes, terbium, gadolinium, and dysprosium * * * … Universalium
yttrium metals — n. a series of closely related metals including yttrium, holmium, erbium, thulium, ytterbium, lutetium, and sometimes, terbium, gadolinium, and dysprosium … English World dictionary
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
Metalloid — 13 14 15 16 17 2 B Boron … Wikipedia
Lutetium — (pronEng|ljuːˈtiːʃiəm) is a chemical element with the symbol Lu and atomic number 71. A silvery white rare metal, lutetium is the heaviest member of the rare earth group.Parker, Sybil P., ed. Dictionary of Scientific and Technical Terms. 3rd ed.… … Wikipedia
Hafnium — lutetium ← hafnium → tantalum Zr ↑ Hf ↓ Rf … Wikipedia
Timeline of chemical elements discoveries — The discovery of the elements known to exist today is presented here in chronological order. The elements are listed generally in the order in which each was first defined as the pure element,[clarification needed] as the exact date of discovery… … Wikipedia