meli781 meli781

23-01-2018
Chemistry

contestada

The atomic number of oxygen is 8, because oxygen has

A. electrons in eight shells.
B. eight protons in the nucleus.
C. a second shell with eight electrons.
D. an atomic mass of 8.

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HenryLCH HenryLCH

23-01-2018

The atomic number of oxygen is 8, because oxygen has eight protons in the nucleus.

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