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identify whether it is an element by writing E,and C for compound.

1.CO2
2.Helium
3.Ar
4.H2O
5.NaCl
6.NO2
7.FeSO4
8.Au
9.Nitrogen
10.HCI
11.HCO3
12.Te
13.Milo drink
14.H
15.coffee​


Identify Whether It Is An Element By Writing Eand C For Compound1CO22Helium3Ar4H2O5NaCl6NO27FeSO48Au9Nitrogen10HCI11HCO312Te13Milo Drink14H15coffee class=

Sagot :

Answer:

Explanation:

1.e 2.c 3.c 4.c 5.c 6.e 7.e 8.c 9.c 10.c 11.e 12.e 13.c 14.c 15.c