Question

how would you write 2 molecules of oxygen and 5 molecules of nitrogen

Answer 1

Here, 2 molecules of oxygen is written as 2O2
and 2 molecules of nitrogen is written as 5N2

Answer 2

Formula of 2 molecules of oxygen and 5 molecules of nitrogen.

• When the atoms of the same element or different element combine it leads to the formation of compound.
• In the case of 2 molecules of oxygen, it means that 4 atoms of oxygen are present.
• It is because oxygen is a diatomic element. Thus the formula of 2 molecules of oxygen is written as 2$O_2$.
• The same is the case of nitrogen in which 5 means it is composed of 10 atoms of nitrogen. Thus the formula of 5 molecules of nitrogen is written as $5N_2$.

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