Shubham Jha - Class 11 & 12
Boron has two isotope 10B and 11B whose relative abundance are 20% and 80% respectively atomic weight of boron is
Anonymous Quiz
10
11
11.5
10.8
𓆩𝐓𝐒𝐅π“†ͺ β₯ ΜΆΝ’ ΜΆΝ¨ ΜΆΝ§ ΜΆΝ­ ΜΆΝ€ πŽπ…π…π’π‚π’π€π‹ πŸ‡¦ππ€πŒπˆπŠπ€, 

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