How many protons and neutrons are there in an atom of 3.K? O A. 11 protons and 21 neutrons B. 19 protons and 11 neutrons

Question

How many protons and neutrons are there in an atom of 3.K?
O
A. 11 protons and 21 neutrons
B. 19 protons and 11 neutrons
O C. 49 protons and 19 neutrons
O
D. 11 protons and 19 neutrons

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Nem 4 years 2021-08-16T20:06:20+00:00 1 Answers 13 views 0

Answers ( )

  1. minhkhoi
    0
    2021-08-16T20:07:43+00:00
    Reply

    Answer:

    A: 11 protons and 21 neutrons

    Explanation:

    Hopefully this helps!

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