Other questions in this quiz

2. in the periodic table, which number is the atomic number

  • bottom
  • top

3. what is the atomic mass of a proton and neutron

  • 1
  • 0.05
  • 0.0005
  • 0.005

4. what is the formular for sodium

  • 2,8,1
  • 11

5. what is the number of protons equivalent to

  • number of electrons
  • number of neutrons
  • atomic mass
  • mass number

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