Question

what is the criss cross method of cuprous oxide

Answer 1

Answer:

Valency of cuprous = 1

Valency of oxide = 2

By applying criss-cross method:

Formula: Cu2O

Answer 2

Answer:Cu. 0

2

Explanation:

First right valency of the all, Cu is 1 and O is 2,change the valency so answer is Cu2O