Question

Use the cross over method to find the chemical formula of
table have the sa
a) sodium chloride
b) magnesium chloride​

Answer 1

Answer:

1.NaCl sodium chloride

2.MgCl2 magnesium chloride

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Answer 2

Answer:

Step-by-step explanation:

Na Cl

both sodium and chlorine has a positive charge of 1.

$Mg^{2}$  Cl

magnesium has a valency of 2 and chlorine 1. So therefore they interchange their charges to Mg$Cl_{2}$