Question

Following are the symbols and formulas for some of the elements and compounds.
Na, H2, CO2, NH3, O2, Fe, He, HCI, N2, H2O, FeS, CO2

1. separate them as elements and compounds and give their names.

2. what conclusion do you make on the basis of the above activity.
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Answer 1

Answer:

Elements= Na, H2, O2, Fe He, N2

Compounds =Co2, NH3, HCl, H2o, FeS

Answer 2

Na,Fe,He this are the elements