rare earth metals

İngilizce - Türkçe

rare earth metals teriminin İngilizce Türkçe sözlükte anlamı

nadir toprak madenleri

(Kimya) nadir toprak metalleri

azrak toprak metalleri

İlgili Terimler

rare metals

nadir metaller

İngilizce - İngilizce

rare earth metals teriminin İngilizce İngilizce sözlükte anlamı

İlgili Terimler

rare earth metal

Any of a large class of chemical elements including scandium (atomic number 21), yttrium (39), and the 15 elements from 57 (lanthanum) to 71 (see lanthanides). The rare earths themselves are pure or mixed oxides of these metals, originally thought to be quite scarce; however, cerium, the most plentiful, is three times as abundant as lead in the Earth's crust. The metals never occur free, and the pure oxides never occur in minerals. These metals are similar chemically because their atomic structures are generally similar; all form compounds in which they have valence 3, including stable oxides, carbides, and borides

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rer ırth metılz

Telaffuz

/ˈrer ˈərᴛʜ ˈmetəlz/ /ˈrɛr ˈɜrθ ˈmɛtəlz/