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CBSE Class 11-science Answered

Which of the following has maximum density of nucleus?–(1) 14Si30, (2) 15P31, (3) 8O16, (4) All have same density.

Asked by patra04011965 | 09 Aug, 2019, 05:19: PM
Expert Answer
Dennsity is masss per unit volume.
V o l u m e space o f space a t o m space equals 4 over 3 πR cubed
Density space of space atom equals fraction numerator straight A over denominator 4 over 3 πR cubed end fraction space space space space space space space space space left parenthesis Radius space space of space space atom left parenthesis straight R right parenthesis equals straight R subscript straight o straight A to the power of bevelled 1 third end exponent right parenthesis
space space space space space space space space space space space space space space space space space space space space Density equals fraction numerator 1 over denominator 4 over 3 πR subscript straight o cubed end fraction


space
You can see Density of Atom does not depend on radius of atom(R) so all will have same density.
Answered by Ravi | 09 Aug, 2019, 06:58: PM
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