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Free_Kalibri [48]
3 years ago
15

Plz help it over science stuff

Chemistry
2 answers:
Sergio039 [100]3 years ago
8 0

Answer:9.012

Explanation:

I used the periodic table, the mass is 9.012

weeeeeb [17]3 years ago
7 0

Answer:

Pretty sure it would be 69(nice).

Explanation:

You add the number of protons and neutrons to find the mass

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