The atomic number of chlorine is 17. The atomic number of magnesium is 12. What is the formula for magnesium chloride?

The atomic number of chlorine is 17. The atomic number of magnesium is 12. What is the formula for magnesium chloride?



A) Mg2Cl2
B) Mg2Cl
C) MgCl
D) MgCl3
E) MgCl2







Answer: E


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