Other questions in this quiz

2. what is the name of the thing in the outer shells

  • proton
  • electron
  • neutron

3. how do you work out the number of neutrons

  • atomic mass - number of protons
  • number of protons - atomic mass
  • atomic number - number of protons

4. in the periodic table, which number is the mass number

  • top
  • bottom

5. what charge does a neutron have

  • 0
  • +1
  • -1

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