Chemistry Isotopes Solution: Argon has three naturally occurring isotopes, 36Ar...

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Solution: Argon has three naturally occurring isotopes, 36Ar, 38Ar, and 40Ar. What is the mass number of each isotope? How many protons, neutrons, and electrons are present in each?

Problem

Argon has three naturally occurring isotopes, 36Ar, 38Ar, and 40Ar. What is the mass number of each isotope? How many protons, neutrons, and electrons are present in each?


Solution

Isotopes are elements with the same number of protons, but different number of neutrons.

We are going to use the notation below to solve for the required information. 

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