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Biology 21 Online
OpenStudy (anonymous):

Which particle of an atom has the least mass? A. proton B. nucleus C. neutron D. electron

OpenStudy (anonymous):

I will medal.

OpenStudy (insa):

electron. its 1/1840 i guess

OpenStudy (anonymous):

Thank you!

OpenStudy (insa):

plus nucleus consists of protons and electrons.

OpenStudy (insa):

protons and neutrons*

OpenStudy (anonymous):

Thanks!

OpenStudy (insa):

np:)

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