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Svet_ta [14]
3 years ago
11

A fictional* element has 12 neutrons, and 31 protons, and 31 electrons. What is its atomic mass? Write just the number, no units

.
Fictional element is used so that you can't Google the answer.
Biology
1 answer:
kakasveta [241]3 years ago
7 0

Answer:

43

Explanation:

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