Q.

Which of the following statement(s) is/are correct?

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a

All the members of the actinoid series are man made.

b

Zero group elements are paramagnetic.

c

Third group of the periodic table accommodates maximum number of elements.

d

All members of zero groups are non-metals.

answer is C.

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Detailed Solution

Statements (3) and (4) are correct.(1) False. All the transuranium elements from 94 to 102 are man made.(2) False. Zero group elements are diamagnetic because of the presence of paired electrons.(3) True. Group 3, the total contains f-block elements also.Total elements - 4 + 14 + 14 = 32.(4) Statement (4) is correct.
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