pete1821456 pete1821456

19-11-2019
Biology

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an element's atomic number is the A. mass of the atom B. number of the protons in an atom's nucleus C. weight of the atom D. sum of the protons and neutrons in an atom

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matea33 matea33

19-11-2019

the answer is letter B, the number of protons!

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Krookogator Krookogator

19-11-2019

Yup.. thats B alright.

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