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dedylja [7]
3 years ago
9

If an element has 12 protons, 13 neutrons, and 15 electrons, what is its mass?

Chemistry
1 answer:
-BARSIC- [3]3 years ago
7 0

Answer:

25

Explanation:

mass number = protons + neutrons

= 13 + 12 = 25

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ANSWER:

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