Metals,Light
《英文msh詞典》Metals,Light
[主題詞] Metals,Light
[同義詞] Light Metals
[中文釋義] 金屬,輕
[英文釋義] Metals with low specific gravity,typically smaller than 5,characterized by a single valence (1,2,or 3),a simple spectrum,strong electromotive force (positive),and colorless compounds. (From Grant & Hackh's Chemical Dictionary,5th ed)