Boron exists as two stable isotopes; 10B(19%) and 11B(81%). Find out the average atomic weight of boron in the periodic table

Question: Boron exists as two stable isotopes; 10B(19%) and 11B(81%). Find out the average atomic weight of boron in the periodic table

1. 10.0

2. 11.2

3.10.2

4.10.8


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