2.How many electrons does an ion have if its charge is -2 and it has 16 protons?

What happened to the amount of carbon dioxide in the atmosphere from 2010–2017?

Which statement is true about hcl? (5 points) select one: a. it is a salt because it increases the concentration of metallic ions. b. it is a salt because it is formed by the reaction of an acid and a base. c. it is an acid because it increases the concentration of hydroxyl ions. d. it is an acid because it increases the concentration of hydronium ions.

Areaction is first order with respect to reactant x and second order with respect to reactant y. which statement describes the rate law for this reaction?