Chemistry, asked by koushalk424s, 7 months ago

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

Answers

Answered by bhavna277
2

Answer:

Average atomic weight =

100

∑%abundant×atomic mass

=

100

19×10+81×11

=10.81

Answered by abi445
1

Explanation:

B -10. (19%) B-11. (81%)

Amu = m1p1+m2p2

=10*0.18+11*0.81

=1.9+8.91

=10.81

the answer is 10.8

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