duartealondra45
23.04.2021 •
Chemistry
I just need #2,3,4, and 5 completed. The answer to number 1 is 51.17% so that will help solve the rest. Please explain how you got the answers also so I can learn. Thanks
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Ответ:
c ) protons and neutrons
Explanation:
Protons and neutrons have approximately the same mass, but they are both much more massive than electrons (approximately 2,000 times as massive as an electron). The positive charge on a proton is equal in magnitude to the negative charge on an electron.