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Naturally Occurring Lithium (Li)consists of Only Two Isotopes, Li-6 (6

Question 81

Multiple Choice

Naturally occurring lithium (Li) consists of only two isotopes, Li-6 (6.02 u) and Li-7 (7.02 u) , where the isotopic masses are given in parentheses. Use the periodic table and determine which isotope is present in the larger percentage in the natural element.


A) Li-6
B) Li-7
C) each is present at 50%
D) cannot be determined from the information available

Correct Answer:

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