16. How many neutrons does the Cl atom have?a) 11b) 10c) 7d) 12

Answered: 16. How many neutrons does the Cl atom…

Chemistry In Focus

7th Edition

ISBN:9781337399692

Author:Tro, Nivaldo J.

Publisher:Tro, Nivaldo J.

Chapter3: Atoms And Elements

Section: Chapter Questions

Problem 2SC

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16. How many neutrons does the Cl atom have?
a) 11
b) 10
c) 7
d) 12

Expert Solution

Step 1

The question asked for the number of neutrons in a chlorine atom. To answer this, we need to know the atomic number and atomic mass of chlorine. The atomic number of chlorine is 17, which tells us it has 17 protons. The atomic mass of chlorine is 35.5, which takes into account the fact that there are two naturally occurring isotopes of chlorine, chlorine-35 and chlorine-37. To calculate the number of neutrons in a chlorine atom, we need to subtract the atomic number (protons) from the atomic mass.

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