Question

An element has two isotopes A-63 and A-64 with average atomic mass 63.5 amu.
Relative abundance of lighter isotope is
A) 50%
C) 40%
B) 25%
D) 75%
Please only those who know correct answer . otherwise don't answer. ​

Answer 1

Answer:

with average atomic ...

4 days ago · Relative abundance of lighter isotope is. A) 50% C) 40% B) 25% D) 75% Please only those who know correct answer

Answer 2

Answer:

Option D

75%

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