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Physics, 13.07.2019 01:40 Franklyn3834
Which of the following elements has the highest atomic mass? 1. helium: 2 protons and 2 neutrons 2. nitrogen: 7 protons and 7 neutrons 3. oxygen: 8 protons and 8 neutrons 4. hydrogen: 1 proton and no neutrons
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Which of the following elements has the highest atomic mass? 1. helium: 2 protons and 2 neutrons 2...
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