# Which of the following elements has maximum density of nucleus: a) Si ( A = 30, Z = 14) b) P ( A = 31, Z = 15) c) O ( A = 16, Z = 8) d) All have same density.

b phophorous
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b) Phosphorus  is the answer i think. as it has the highest atomic no. here .but i didn't get what is A here .

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(4) all the above
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It will be option b) phosphorus[P]
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, gलफढf zt. dyf
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Si have more density
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As the which has high value of proton and neutron has high density.so P,Si,O
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Phosphorus
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What are you looking for?