Chemistry, 19.12.2020 18:20 jacqueline398
If an atom has 15 protons and a mass of 31 how many neutrons will it have
Answers: 3
Chemistry, 22.06.2019 22:00
11) burning your hand when accidentally touching a hot plate is an example of which heat transfer? a. conduction b. convection c. radiation d. none of these
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If an atom has 15 protons and a mass of 31 how many neutrons will it have...
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