atoms
- Created by: beverley.g
- Created on: 02-04-19 14:12
Other questions in this quiz
2. what is the charge of a proton?
- -1
- +1
- 0
3. how do you know what element an atom is?
- number of electrons
- number of protons
- number of neutrons
4. what does the mass number tell you?
- the total number of protons and neutrons
- the total number of electrons and protons
- the total number of protons and electrons
5. what is the charge of an electron
- -1
- 0
- +1
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