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fiasKO [112]
3 years ago
12

Please please help please

Chemistry
1 answer:
gregori [183]3 years ago
7 0

Answer:

D

75 neutrons and 50 protons and 50 electrons

Explanation:

Atomic number represents the number of protons and it's the same number for electrons

50 protons and 50 electrons

the mass number represents the number of neutrons and protons

125-50=75 neutrons

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