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ASMO Science Olympiad 2015 — Level 2 (Years 5 & 6) Question 13

ASMO Science · ASMO Science Olympiad 2015 — Level 2 (Years 5 & 6)

Question 13

A Helium nucleus consisted of ___?

Question illustration
  1. 2 protons, 2 neutrons,2 electrons
  2. 2 protons, 2 neutrons
  3. 2 protons, 4 neutrons, 2 electrons
  4. 2 protons, 4 neutrons