15-06-2017
Biology

contestada

Which statement is correct?

The number of electrons of a neutral atom always equals the number of protons.
The number of neutrons always equals the number of protons.
The number of neutrons always equals the number of electrons.
Atomic weight is identical to atomic mass.

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budwilkins budwilkins

20-06-2017

The number of electrons of a neutral atom always equals the number of protons.

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