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I need help!!! the last two answers choices are

c. Atom 2 is the same, because it just has many electrons as the number of protons in atoms 1 and 3.

D. Atom 2 is not the same, because the mass number is different from atoms 1 and 2.

I need help the last two answers choices are c Atom 2 is the same because it just has many electrons as the number of protons in atoms 1 and 3 D Atom 2 is not t class=

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reabetswe850

Answer:

D.atom 2 is not the same , because the mass number is different from atoms 1 and 2

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