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by
Luka Komarica
5 years ago
529
Opća svojstva metala
Metali su prisutni u prirodi u različitim oblicima i imaju različita svojstva koja ih čine korisnima u industriji i svakodnevnom životu. Aluminij je najzastupljeniji metal, dok su platina, zlato, bakar i srebro poznati kao rodni metali.
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nastanak soli i vodika
Mg+H2SO4--->H2(g)+MgSO4
nastanak hidroksida i vodika
2K+2H20--->H2(g)+2KOH
nastanak halogenida
2Al+3Br2--->2AlBr3
Kemijska svojstva
reakcije
s kisikom
s kiselinom
s vodom
Metali u prirodi
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zlato
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bakar
aluminij najzastupljeniji
81 metal