tina is researching the rates of reactions of various compounds to see how the reaction rate depends on the solubility of the compount. what primary chemistry is this?

radioactive decay occurs in unstable atomic nuclei – that is, ones that don't have enough binding energy to hold

the nucleus together due to an excess of either protons or neutrons.

it's c. elements are placed in rows based on how may valencies electrons have.

frequency, z, and the collision density, z, in carbon dioxide (co2), r 180 pm at 30 °c and 120 kpa