Which of the following are held together by nonpolar covalent bonds? The Periodic Table
A. Atoms of phosphorus (P) and chlorine (CI)
B. Atoms of chlorine (CI)
C. Atoms of chlorine (CI) and magnesium (Mg)
D. Atoms of magnesium (Mg)

Atoms of chlorine (CI) and magnesium (Mg)

Atoms of chlorine (CI) and magnesium (Mg)is your answer

the correct option is c.

isotopes refers to different forms of the same element with the same atomic number but different mass number as a result of difference in their neutron numbers. isotopes have different relative atomic mass but share the same chemical properties.