Question

arrange the following in decreasing atomic size N,S,P
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Answer 1

Answer:

S > P > N

The formate of decreasing atomic size.

Answer 2

Answer:

P>S>N

Explanation:

In group 15 ,first nitrogen cames and then in vertical down phosphorus came. we know that in going vertical down the atomic size of elements increases. Sulphur came in group 16 in horizontal row with phosphorus.we know that in going horizontal front then atomic size of element decreases.The element above the phosphorus has low atomic size which is nitrogen in comparison to sulphur.Atomic mass of sulphur is 100ppm,phosphorous is 195 ppm and nitrogen is 65ppm.