In a Lewis structure, what do you do with the total number of valence if your ion is 2- charged?

a) Divide the valence number by 2
b) Multiply the valence number by 2
c) Subtract 2 from the valence number
d) Add 2 to the valence number

add 2 valence electrons

Explanation:

You have to make up for the negative electrons so you add them

chemical digestion occurs in the stomach were hcl and pepsin forms chyme, the mouth in which salivary amylase breaks down starch to form bolus, and the small intestine specifically the duodenum.

4d^55s^1 ( third choice)