What's sodium chromate formula without subscript

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.

What is the lowest number energy level where a d sublevel is found

How does climate change cause the ocean's thermohaline current to slow down?