jocelynndealcx jocelynndealcx

11-10-2016
Chemistry

Answered

Which of these substances are compounds? How do you know?

ASalt (NaCl)
BNitrogen (N)
CHelium (He)
DWater (H2O)

Verified Answer :

Anonymous Anonymous

11-10-2016

Salt because it's a solid and helium and nitrogen are gases.
Water is a liquid because it's form can change.

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