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Snezhnost [94]
3 years ago
8

PLEASE HELP 25 POINTS!!!!

Chemistry
1 answer:
Mariulka [41]3 years ago
7 0

Answer:

1 is c 2 is b

Explanation:

because atomic number is the number of protons in a nucleus

2..because the number of protons plus number of neutrons is equal to mass number.

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