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18-05-2021
Chemistry

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What is the mass number of an atom that has 12 neutrons and 11 protons?
24
12
11
23

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giorgadzee08 giorgadzee08

26-05-2021

Answer:

23

Explanation:

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burrier7445s burrier7445s

25-05-2022

Answer:

23

Explanation:

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