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17-02-2016
Chemistry

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an element has 8 protons and 8 neutrons in its nucleus what is the atomic and mass number

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17-02-2016

The atomic number is the amount of protons in a nucleus, while the mass number is the protons plus neutrons.

Atomic number: 8
Atomic mass : 8+8 = 16

Answer: Atomic mass is 16, while atomic number is 8

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