3 years ago

11

Biology

2 answers:

stira [4]3 years ago

5 0

The part of an atom that has the most mass is Electrons.

Mama L [17]3 years ago

5 0

Answer:

C NUCLEUS

Most of an atom's mass is in the nucleus—a small, dense area at the center of every atom, composed of nucleons. Nucleons include protons and neutrons. All the positive charge of an atom is contained in the nucleus, and originates from the protons.

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