What is the formula when the halogen from 3rd principal energy level combines with you alkaline earth metal from the 4th energy level?

Consider the equilibrium system: 2icl(s) ⇄ i2(s) + cl2(g) which of the following changes will increase the total amount of of cl2 that can be produced? all of the listed answers are correct decreasing the volume of the container removing the cl2 as it is formed adding more icl(s) removing some of the i2(s)

Avariable that is not being directly tested during an experiment should be

The sum of the oxidation numbers in a neutral compound is always