Chlorine atoms each have 17 protons. how many neutrons does each cl-37 atom have? a. 17 b. 20 c. 37 d. 54 this stuff is

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

Why does earth rotate? because earth is formed from cold gases collapsing due to gravity because the matter in the nebula that formed earth was spinning because earth forms more than 99% of the mass of the solar system because the hydrogen atoms inside the nebula fused to form helium

What is the molecular weight of copper