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Answered

Which chart provides the correct number of neutrons for each isotope of tin (Sn)?


A.

Isotope Number of neutrons Natural abundance (%)

120Sn 33 32.58

118Sn 24 24.22

116Sn 14 14.54

119Sn 9 8.59

124Sn 6 5.79



B.

Isotope Number of neutrons Natural abundance (%)

120Sn 70 32.58

118Sn 68 24.22

116Sn 66 14.54

119Sn 69 8.59

124Sn 74 5.79



C.

Isotope Number of neutrons Natural abundance (%)

120Sn 50 32.58

118Sn 50 24.22

116Sn 50 14.54

119Sn 50 8.59

124Sn 50 5.79



D.

Isotope Number of neutrons Natural abundance (%)

120Sn 74 32.58

118Sn 70 24.22

116Sn 69 14.54

119Sn 68 8.59

124Sn 66 5.79


If you can, show your work or why you think it is the answer.

Verified Answer :

We know, Atomic mass = Atomic number + number of neutrons
Here, Atomic mass - 50 = number of neutrons [ as A.N. = 50 ]

So, According to our info. only option B can be correct, as the difference between atomic mass & number of neutrons is 50, which is atomic number of Tin (Sb)

In short, Your Answer would be Option B

Hope this helps!

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