Sally is making a model of a Mg atom with an atomic mass number of 24. She has balls for the protons, neutrons, and electrons. She has added 6 neutrons to her model. How many more neutrons does she need to add to complete her neutral atom of magnesium?

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Sally is making a model of a Mg atom with an atomic mass number of 24. She has balls for the protons, neutrons, and electrons. She has added 6 neutrons to her model. How many more neutrons does she need to add to complete her neutral atom of magnesium?

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Answer 1 · 2017-01-03T08:26:46

For #""^24Mg#.............................?

Explanation:

#Z#, #"the atomic number"# of magnesium is 12. This means that there are 12 positively charged nuclear particles. This defines the particle as a magnesium atom.

To represent the #""^24Mg# isotope, we thus need 6 more neutrons.

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Sally is making a model of a Mg atom with an atomic mass number of 24. She has balls for the protons, neutrons, and electrons. She has added 6 neutrons to her model. How many more neutrons does she need to add to complete her neutral atom of magnesium?

1 Answer

Explanation:

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