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Boron has 2 stable isotopes, $10 - B$ $(19$ %) and $11 - B$ ( $81$ %) the atomic mass that should appear for boron in the periodic table is:
$10.8$
$10.2$
$11.2$
$10.0$

A

10.0

B

11.2

C

10.2

D

10.8

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