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Snezhnost [94]
3 years ago
15

A certain atom has 26 protons, 26 electrons, and 30 neutrons. Its mass number is

Biology
2 answers:
Roman55 [17]3 years ago
7 0

Answer:

The mass number is 56

Explanation:

You just add the number of protons and neutrons to find the mass number of a atom.

harina [27]3 years ago
3 0
The answer is 56 hope this helps
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