Question

A test tube hold x cubic centimeters of water how many test tubes are necessary to hold y cubic centimeters of the water

Answer 1

Electrons are found in the periphery of the atom and have a charge of -1. They are much smaller than protons; their mass is 11836 amu. Typically in modeling atoms, protons and neutrons are regarded as stationary, while electrons move about in the space outside the nucleus like a cloud.