Experiments with cathode rays led to the discovery of the a neutron. b proton. c electron. d nucleus.

C

experiments with cathode ray tubes showed that all atoms contain tiny negatively charged subatomic particles or electrons

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.