Worksheet answers foratomic number & mass number practice atomic number = number of in an atom

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.

Which element is least likely to undergo a chemical reaction

What is the approximate vapor pressure when the gas condenses at 70 degrees celsius