- Created by: Shauna Taylor
- Created on: 25-09-11 13:32
Atoms consist of electrons surrounding a nucleus that contains protons andneutrons.
Protons and neutrons have a relative mass of 1 and electrons have anegligible mass. Neutrons are neutral, but protons and electrons are electrically charged. Protons have a relative charge of +1 and electrons have a relative charge of -1.
The Earth has a layered structure, including the core…