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Chemistry, 21.03.2021 16:00 Isabellawuzhere

The atomic number of calcium is 20. This number means that calcium has 20 protons. The atomic mass of calcium is 40. How many neutrons does calcium have? (Remember: protons + neutrons = atomic mass.) ASAP NOW PLS

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The atomic number of calcium is 20. This number means that calcium has 20 protons. The atomic mass o...

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