The lightest of an atom's main constituents
A. carries a negative charge.
B. carries a positive charge.
C. plays no part in the atom's chemical reactions.
D. is found only in the nucleus.
Answer:A
The lightest of an atom's main constituents
A. carries a negative charge. B. carries a positive charge. C. plays no part in the atom's chemical reactions. D. is found only in the nucleus.