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28-11-2021
Chemistry

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the atomic number of magnsium is 12 this means that that its nucleus must contain

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28-11-2021

Explanation:

Since magnesium has an atomic number of 12, that means that it has 12 protons and 12 electrons when it is in normal state.

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28-11-2021

Answer:

12 protons

Explanation:

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