aayanhabib379 aayanhabib379

04-06-2021
Chemistry

contestada

How many neutrons are present in an atom with atomic number 9 and mass number 19?

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Eddie1Wan Eddie1Wan

04-06-2021

Answer:

10 neutrons

Explanation:

N=Z-A ie. number of neutrons=mass number-atomic number

N=19-9=10

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Orozco811 Orozco811

04-06-2021

10 what Eddie said is correct

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