Chemistry

Kidd

27 December, 02:45

In which of the following is the number of neutrons correctly represented? A. fluorine: atomic number 9, mass 19, neutrons 0 B. arsenic: atomic number 33, mass 75, neutrons 108 C. magnesium: atomic number 12, mass 24, neutrons 24 D. uranium: atomic number 92, mass 238, neutrons 146

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