The increase in the rate of solvation with a rise in solvent temperature is mainly due to a(n): a. increase in the activaton energy
b. increase in the movement of molecules leading to more collisions,
c. None of the above

With the largest atoms and the smallest number of valence electrons and with the smallest atoms and the greatest number of valence electrons are the most reactive. a. nonmetals; metals b. nonmetals; transition elements c. transition elements; metals d. metals; nonmetals