Boron has two stable isotopes, ¹⁰B (19%) and ¹¹B (81%). The atomic mass that should appear for boron in the periodic table is [CBSE PMT 1990]

Question: Boron has two stable isotopes, ¹⁰(19%) and ¹¹B (81%). The atomic mass that should appear for boron in the periodic table is [CBSE PMT 1990]

(a) 10.8

(b) 10.2

(c) 11.2

(d) 10.0


Correct Answer: (a) 10.8


Question: Boron has two stable isotopes, ¹⁰B (19%) and ¹¹B (81%). The atomic mass that should appear for boron in the periodic table is [CBSE PMT 1990] (a) 10.8 (b) 10.2 (c) 11.2 (d) 10.0


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