In a nuclear fusion reaction, the mass of the products is(1) less than the mass of the reactants because some
of the mass has been converted to energy
(2) less than the mass of the reactants because some
of the energy has been converted to mass
(3) more than the mass of the reactants because some
of the mass has been converted to energy
(4) more than the mass of the reactants because some of the energy has been converted to mass

samuel de champlain. in 1608, king henry iv sponsored pierre dugua, sieur de mons and samuel de champlain as founders of the city of quebec with 28 men. this was the second permanent french settlement in the colony of canada.

why do the isotopes of a particular element behave differently in nuclear reactions but the same in chemical reactions? chemical reactions involve changes to electrons in an atom; isotopes do not differ in electrons, and so they react the same way during chemical changes.