jevaneemarie12 jevaneemarie12

15-06-2015
Chemistry

contestada

The atomic mass of an element whose atoms consist of eight protons, nine neutrons, and eight electrons is
8

16

17

25

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Sheep11 Sheep11

16-06-2015

17, the atomic mass of an element is the mass of the protons plus the mass of the nutrons. The mass of both Nuetrons and Protons is 1 so 8+9=17

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