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ira [324]
2 years ago
13

If an atom contains 5 protons, 4 neutrons, and 3 electrons. its atomic mass is​

Biology
2 answers:
Veronika [31]2 years ago
6 0

Answer: 9

Explanation:

atomic mass= protons + neutrons

5+4 =9

AVprozaik [17]2 years ago
4 0
Add the protons and neutrons to find atomic mass 5+4=9. the atomic mass is 9
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