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kenny6666 [7]
3 years ago
10

The atomic number of the element fluorine is 9. The isotope Fluorine-18 has a mass of 18 and fluorine-19 has a mass of 19. What

is the reason for their mass differences?
Biology
1 answer:
kondaur [170]3 years ago
7 0

Answer:

Atomic mass is made up by the electrons protons and neutrons in an element. The reason for the mass differences are because of the varying number of electrons.

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