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Uses of Radioactivity

the isotopic ...

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the isotopic abundance of c-12 & C -14 is 98% & 2% respectively. what would be the no. of c-14 isotope in 12gC sample?

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Q. If isotopic distribution of

C - 12

C - 14

is 98 % and 2 % respectively, what would be the number of

C - 14

12 g m

Q. Boron occurs in nature in the form of two isotopes having atomic mass 10 and 11. Calculate the percentage abundances of two isotopes respectively in a sample having atomic mass 10.80.

^{12} C

^{14} C

isotopes are found as 98% and 2% respectively any sample. Then, the number of

^{14} C

atoms in 12 g of the sample will be:

Q. Mass numbers of two isotopes of an element differ by 2 units (A and A+2). Average atomic mass is 0.5 more than the lower mass number. What could be the ratio of the percentage abundance two isotopes respectively?

Q. Mass numbers of two isotopes of an element differ by

2

A

A + 2

). Average atomic mass is

0.5

more than the lower mass number. What could be the ratio of the percentage abundance two isotopes respectively?

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