For Al, its atomic number is 13 and its mass number is 27. How many neutrons does it have? OA 13 OB. 14 OC 26 OD. 27

Question

For Al, its atomic number is 13 and its mass number is 27. How many neutrons does it have?
OA 13
OB. 14
OC 26
OD. 27
O E 40

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King 3 years 2021-08-16T09:57:05+00:00 2 Answers 4 views 0

Answers ( )

  1. MichaelMet
    0
    2021-08-16T09:58:34+00:00
    Reply

    Answer:

    14……………….

  2. kiet
    0
    2021-08-16T09:59:01+00:00
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    B. 14

    Atomic mass is the addition of protons and neutrons. Atomic number is protons. If we subtract atomic number from mass, we get neutrons

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