Why is Chlorine made up of two parts; Chlorine 35 and 37?
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Chlorine has two isotopes. Cl 35 and Cl 37. So when two chorines combine to make Cl2.
Therefore in Cl2 , there are 3 combinations.
Cl 35 - Cl 35
Cl 35 - Cl 37
Cl 37 - Cl 37
You can find all these three in naturally occuring Cl2.
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