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11 May, 13:04

Chlorine has an atomic number of 17.

How many protons are in an atom of chlorine?

A. 17

B. 18

C. 35

D. 52

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Answers (2)
  1. 11 May, 13:35
    0
    A. 17
  2. 11 May, 13:46
    0
    Answer: The correct answer is Option A.

    Explanation:

    Atomic number is defined as the number of protons or number of electrons that are present in a neutral atom. It is represented by the symbol 'Z'

    Z = Atomic number = number of protons = number of electrons

    We are given:

    Atomic number of chlorine = 17

    So, number of protons = 17

    Hence, the correct answer is Option A.
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