Who is the crazy russian credited with the basic order of today's modern periodic table7 A. Mr. Ominov
B. Mendeleev
C. Einstein
D. Haisenberg

Which part of earth’s surface receives the most direct rays from the sun? a) equator b) ocean c) poles d) mountains

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 molar mass of ca(cio4)2