<span>The number of neutrons bromine will have are equal to
= protons + neutrons
so,
80-35=45</span>
The subscript 2 indicate that there are two atoms of chlorine in the compound.
<u><em> Explanation</em></u>
Subscript in the chemical formula indicate the number of atoms of the element immediately before the subscript.
In MgCl₂ there are two(2) atoms of chlorine since Subscript 2 is immediately after chlorine.
Answer: D-Nonmetals bond together to form a covalent compound
