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elium atom has an atomic massof 4 u and two protons in itsnucleus. How many neutronsdoes it have? |
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Answer» Helium atom mass is 4 and in 2 protons so Helium atom mass = Helium Protons number + Helium neutrons 4= 2 + Helium neutrons Helium neutrons = 4-2 =2 |
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