Answer:
Electron: A negatively charged particle found circling or orbiting an atomic nucleus. An electron, like a proton is a charged particle, although opposite in sign, but unlike a proton, an electron has negligible atomic mass. Electrons contribute no atomic mass units to the total atomic weight of an atom.
Explanation:
Answer:
Trucks, airplanes, and trains are used to transport people and supplies from one place to another.
Explanation:
The answer is A, when these particles are heated they tend to speed up.