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Question

The two isotopic forms of boron are:

A

¹²B (50%) and ¹³B (50%)

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B

¹³B (19%) and ¹⁴B (81%)

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C

¹⁰B (19%) and ¹¹B (81%)

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D

⁹B (19%) and ¹⁰B (81%)

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Solution

The correct option is C
¹⁰B (19%) and ¹¹B (81%)

There are two isotopic forms of boron ¹⁰B (19%) and ¹¹B (81%).

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Similar questions

Q. Boron has two stable isotopes,

^{10} B (19 %)

^{11} B (81 %)

. Calculate average atomic mass of boron in the periodic table.

Boron has two stable isotopes,

^{10} B (19 %)

^{11} B (81 %)

. Average atomic weight for boron in the periodic table is:

Q. Boron occurs in the nature in the form of two isotopes

_{5}^{11} B

_{5}^{10} B

81 %

19 %

respectively. Calculate its average atomic mass.

Q. Boron has two isotopes,

^{10} B

^{11} B

whose relative abundances are

20

80

% respectively. Atomic weight of boron is:

? + (8 \frac{1}{7} \times 6 \frac{5}{19}) = 5^{3}

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