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25-10-2020
Chemistry

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An aluminium atom has a mass number of 27 and a proton number of 13. How many neutrons does this aluminium atom contain?

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saloni28 saloni28

25-10-2020

Explanation:

14 neutrons

Explanation: The mass number is the total number of protons and neutrons in a nucleus. The atomic number is the number of protons in the nucleus. →27−13=14 neutrons!

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