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europium	a bivalent and trivalent metallic element of the rare earth group 출처: wordnet.princeton.edu/perl/webwn
europium	Europium(III) chloride (EuCl3), also known as europium trichloride, is a compound of europium and chlorine. It is a yellow solid which begins to decompose at or below the melting point[1] to give at least some EuCl2. Being hygroscopic it rapidly absorbs water on exposure to moist air to form a white crystalline hexahydrate, EuCl3.6H2O. It is soluble in water, and (when anhydrous) it is expected to be also highly soluble in ethanol (by analogy with SmCl3 ). ... 출처: en.wikipedia.org/wiki/Europium(III)_chloride

europium

a bivalent and trivalent metallic element of the rare earth group

출처: wordnet.princeton.edu/perl/webwn

europium

Europium(III) chloride (EuCl3), also known as europium trichloride, is a compound of europium and chlorine. It is a yellow solid which begins to decompose at or below the melting point[1] to give at least some EuCl2. Being hygroscopic it rapidly absorbs water on exposure to moist air to form a white crystalline hexahydrate, EuCl3.6H2O. It is soluble in water, and (when anhydrous) it is expected to be also highly soluble in ethanol (by analogy with SmCl3 ). ...

출처: en.wikipedia.org/wiki/Europium(III)_chloride