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The Composition of Atoms Quick Check

1 of 51 of 5 Items
Question
What determines an atom’s identity?(1 point)
Responses

A. the valence number

B. the number of protons

C. the number of neutrons

D. the number of electrons

1 answer

The correct response is:

B. the number of protons

The number of protons in an atom's nucleus determines its identity and defines the element.

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