The relative atomic mass of boron (which exists in two isotopic forms 10B and 11B) is 10ยท81. What will be the abundance of 10B and 11B, respectively (consider a sample of 100 atoms) ?
19% and 81%
81% and 19%
38% and 62%
62% and 38%
Answer is Right!
Answer is Wrong!
This question was previously asked in
UPSC NDA-1 – 2024