Question

what does crisscross rule mean in chemistry?.​

Answer 1

Answer:

to write a formula we use Criss cross method for chemical formulas will have the valency of formula

Answer 2

Crisscross method is a method of finding out the chemical formula of a metal and non-metal that combine to form an ionic bond. To use this method, the absolute value of the oxidation number of the first ion is used as the subscript of the second, and vice versa.