How cathode rays are different from anode rays?

When we rub two objects together they become electrically charged. Where did this electric charge come from?

Name the discoveror of electrons, protons and neutrons.

What conclusion would be drawn by Rutherford when he observed that most of the fast moving α-particles passed straight through the gold foil?

Nucleus of an atom is positively charged and electrons around it are negatively charged. Then why do electrons not just fall to the nucleus out of attraction?