The first step in the scientific methods is ask a question
Location = nucleus ,
and you can see the total charge on the number that written below the substance, which would be 28+
hope this helps
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Explanation:
chemical compound, any substance composed of identical molecules consisting of atoms of two or more chemical elements. All the matter in the universe is composed of the atoms of more than 100 different chemical elements, which are found both in pure form and combined in chemical compounds