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Answer the following question in a few sentences:
Give the formulae of the compounds formed from the following sets of elements.
(a). Calcium and fluorine
Formulae ::
(b). Hydrogen and Sulphur
Formulae ::
(c). Nitrogen and hydrogen
Formulae ::
(d). Carbon and chlorine
Formulae ::
(e). Sodium and oxygen
Formulae ::
(f). Carbon and oxygen
Formulae ::
Answer variants:
\(CaF_2\)
\(NH_3\)
\(Na_2O\)
\(H_2S\)
\(CCl_4\)
\(CO\), \(CO_2\)
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