3 years ago

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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