If chlorine has two isotopes one of 35u and the other 37u and the aver – McqOptions

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1.	If chlorine has two isotopes one of 35u and the other 37u and the average mass of chlorine atom is 35.5u, then the ratio of abundance of the two isotopes of masses 35u and 37u is _______.
A.	1/3
B.	1/4
C.	3/1
D.	4/1
Answer» D. 4/1

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