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Give the number of protons and neutrons in the nucleus of each of the following isotopes. (a) fluorine20 protons and neutrons (b) aluminum25 protons and

Give the number of protons and neutrons in the nucleus of each of the following isotopes.
(a) fluorine20 protons and neutrons
(b) aluminum25 protons and neutrons
(c) tin120 protons and neutrons
(d) nitrogen17 protons and neutrons

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