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30 August, 03:42

Chlorine atoms each have 17 protons.

How many neutrons does each Cl-37 atom have?

A. 17

B. 20

C. 37

D. 54

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Answers (1)
  1. 30 August, 04:13
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    The chlorine-37 has 20 neutrons.

    Explanations:

    1) When an atom of chlorine-35, then it contains 18 neutrons.

    mass = 17 protons + 18 neutrons = 35

    2) When an atom of chlorine-37 then it contains 20 neutrons

    mass = 17 protons + 20 neutrons = 37

    Note: Adding or removing a neutron from an atom's nucleus creates isotopes of a particular element
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