Question

Which of the following correctly identifies the composition of an oxygen atom?
A. 8 protons, 8 electrons, and 8 neutrons
B. 6 protons, 6 electrons, and 8 neutrons
C. 8 protons, 6 electrons, and 7 neutrons
D. 6 protons, 6 electrons, and 12 neutrons

Answer 1

A. oxygen has 8 protons/electrons and 8 neutrons, so its atomic weight is 16.

Answer 2

Yup, @emiliovega is correct. and I believe this question should be in the chemistry section :P

Answer 3

Thank you so much