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A. Electrons
B. Neutrons
C. Nucleus
D. Protons

A. Electrons B. Neutrons C. Nucleus D. Protons-example-1
User Cunningham
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1 Answer

7 votes

X is the nucleus and the Y is the electrons.

The nucleus has protons and neutrons.

Hope this helped :)

Have a great day

User KostasC
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