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kenny6666 [7]
3 years ago
10

An atom of copper (cu) has a mass number of 63 and an atomic number of 29. how many protons does it have?

Chemistry
2 answers:
Galina-37 [17]3 years ago
6 0
The total number of protons in Copper is 29. 
Dmitry_Shevchenko [17]3 years ago
4 0

Answer: 29

Explanation:

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