35-18 = 17 protons = <u>17 electrons</u>
Ka and Kb values of weak acids and weak bases are small.
This is because weak acids and weak bases do not dissociate completely, favoring the reactants more than dissociating into the product of H+ or OH-.
Answer: Sand
Explanation: Out of all the choices, sand is the only one that cannot react with other substances.
Volcanic activity, obviously by erupting volcanoes
