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31 March, 05:32

Which of the following elements has the highest atomic mass?

Helium: 2 protons and 2 neutrons

Nitrogen: 7 protons and 7 neutrons

Oxygen: 8 protons and 8 neutrons

Hydrogen: 1 proton and no neutrons

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Answers (2)
  1. 31 March, 08:22
    0
    The answer to the question is oxygen (c)
  2. 31 March, 08:25
    0
    I believe oxygen is your answer.
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