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出典:『Wikipedia』 (2011/06/09 13:42 UTC 版)

英語による解説

引用

Metalloid is a term used in chemistry when classifying the chemical elements. The term semimetal is sometimes used synonymously, but this is sometimes defined differently. On the basis of their general physical and chemical properties, nearly every element in the periodic table can be termed either a metal or a nonmetal. However, a few elements with intermediate properties are referred to as metalloids (from the Greek metallon = "metal" and eidos = "sort"). The line that separates metalloids from nonmetals in the periodic table is referred to as the "amphoteric line".