Question

what is the requirement for writing molecular formula of different compounds and How are the molecular formulae of the compounds written?

Answer 1

When it comes to writing a molecular formula of different compounds, you will need to use a set of prefixes to indicate the number of atoms of each element in the molecule. Let us write a formula of nitrogen dioxide:


There are two elements in this compounds namely Nitrogen and oxygen.

The absence of a prefix on nitrogen and the "di" (one of the prefixes) in front of oxide indicates 2atoms of oxygen. So the formula is: NO2

Answer 2

Answer:

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