Question

Why is `O_2` an element?

Answer 1

`O_2` is actually a molecule of oxygen.

Explanation:

Oxygen is one of the diatomic molecules formed by covalent molecules allowing the electrons of the element to pair and stabilize the atoms.

There are seven diatomic molecules formed by elements where in their natural states they form pairs molecular atom paris.

`H_2, O_2, N_2, Cl_2, Br_2, I_2, F_2`