weirdojuwin
10.11.2021 •
Mathematics
If an atom has 5 protons, 7 neutrons and 5 electrons what is the mass number of the atom?
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Ответ:
7+5=12
Step-by-step explanation:
To calculate the mass number of an atom, you have to add the protons and the neutrons. We have 7 neutrons and 5 protons, so your mass number would be 12. Let me know if you have any further questions. :)
Ответ: