# Question #f444a

##### 1 Answer

May 12, 2017

#### Answer:

No, they cancel out.

#### Explanation:

Valency is the combining power of an element.

Let's use

Valency of

Valency of

When they combine, they cancel out into

(Don't put this on the exam, but you can think of the formula looking like

Let's use one more example:

Valency of

Valency of

When they combine, we basically switch the valencies so that the 2 goes by the

So