Atoms and elements
- Created by: shutupmeg
- Created on: 05-02-14 17:11
View mindmap
- Atoms and Elements
- Nucleus contains positive protons and neutral neutrons
- Nucleus has overall positive charge
- Negative electrons move around the nucleus in shells/energy levels
- If an atom gains or loses electrons, its becomes charged and is an ion
- Atoms have no overall charge
- Number of protons = number of electrons
- It's the number of protons that decides what atom it is
- Nucleus contains positive protons and neutral neutrons
Comments
No comments have yet been made