Fran1jadleJaidv Fran1jadleJaidv

22-10-2016
Chemistry

Answered

Which of the following is an element?

Azinc metal (zn)
Bcarbon monoxide gas (co)
Cmagnesium chloride salt (mgcl)
Dhydrochloric acid (hcl)?

Verified Answer :

22-10-2016

A.) Zinc (Zn) is a metal

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Diana5674 Diana5674

22-10-2016

AZinc metal

The Element Zinc
Atomic Number: 30
Atomic Weight: 65.38
Melting Point: 692.68 K (419.53°C or 787.15°F)
Boiling Point: 1180 K (907°C or 1665°F)
Density: 7.134 grams per cubic centimeter
Phase at Room Temperature: Solid
Element Classification: Metal
Period Number: 4
Group Number: 12
Group Name: none

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