PLZZZ HELPPP IM DOING A TEST On the periodic table, how is atomic mass
represented?
A. As the mass of the most common isotope
B. As the exact mass of every atom
C. As the masses of all the protons added together
D. As an average of the mass of different isotopes

Non renewable resources like petroleum eventually

This image is an example of a(n) a) atom. b) compound. c) mixture. d) molecule.

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.