Question

Following are the symbols and formulae for some of the elements and compounds. Na, H2, CO2, NH3, O2, Fe, He, HCI, N2, H2O, FeS, Cl2​

Answer 1

Answer:

Na - Sodium,

H² - Hydrogen,

CO² - Carbon dioxide,

NH³ - Ammonia,

O² - Oxygen,

Fe - Iron,

He - Helium,

HCI - Hydrogen chloride,

N² - Dinitrogen,

H²O - Water,

FeS - Ferrous sulfide,

CI² - Chlorine gas.

Explanation:

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Answer 2

Na - Sodium,

H² - Hydrogen,

CO² - Carbon dioxide,

NH³ - Ammonia,

0² - Oxygen,

Fe - Iron,

He - Helium,

HCI - Hydrogen chloride,

N² - Dinitrogen,

H²O - Water,

FeS - Ferrous sulfide,

Cl² - Chlorine gas.