Name two other than chlorine (ci) that are likely to react with sodium (na)

Plz choose one of the compounds from the table and explain how you know the numbers of atoms in your formula. is it possible for two different compounds to be made from the exact same two elements? why or why not? with a limited number of elements (less than 120 are known), does this mean we also have a small number of compounds or do we have a large number of compounds in this world?

The clouds are grey and ground is wet. a quantitative b qualitative

In saturated organic compounds, all the bonds between carbon atoms are called?