Which substance exists as a metallic crystal at STP? 10 points! please help
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Which substance exists as a metallic crystal at STP? 10 points! please help

[From: ] [author: ] [Date: 11-12-15] [Hit: ]
......
a) Ar
b)Au
c)SiO2
d)CO2

Also, the P---Cl bond in a molecule of PCl3 is:

1)nonpolar
2)polar covalent
3)metallic
4)electrovalent

Thank you!

-
b) Au
and
2) polar covalent
1
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