The natural boron of atomic weight 10.81 is found to have two isotopes 10 B and 11 B …
Chemistry · Class 12 · CBSE — Solutions
The natural boron of atomic weight 10.81 is found to have two isotopes 10B and 11B. The ratio of abundance of isotopes of natural boron should be
- 11 : 10
- 81 : 19
- 10 : 11
- 19 : 81
Answer
(D) 19 : 81
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