Question

Calculate the number of neutrons in a fluorine atom with an atomic mass of 19

Answer 1

Answer: 10 neutrons.

Explanation:

  · Atomic number(Z) of fluorine = 9

  · Atomic mass (A) of fluorine = 19

  · Number of protons = 9

 · Number of electrons = 9

· Number of neutrons = Atomic mass(A) - atomic number(Z)

Therefore, number of neutrons = 19 – 9 = 10 neutrons

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