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Q.

Which of the following sequence represents atomic number of only representative elements?

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a

55, 12,48,53

b

13, 33, 54, 83

c

3, 33, 53, 87

d

22,33, 55, 66

answer is C.

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Detailed Solution

Representative elements are s and p-block elements except inert gases.3 , 33, 53, 87 are representative elements'
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