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PLEASE HELP ASAP!!
GIVING 20 POINTS!
If you don’t mind please had explanation!
THANKS!

:D


PLEASE HELP ASAP GIVING 20 POINTS If You Dont Mind Please Had Explanation THANKS D class=

Sagot :

subbhy
The third one.

The nucleus of an atom is made up of protons and neutrons. Protons and neutrons have the same relative mass (rounded to 1). Electrons have an extremely small mass.

Therefore, the particles in the nucleus are more massive than those in the electron cloud.