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Q.

Statement-I: 4th period of periodic table has 8 elements.

Statement-II: 4th period is related with filling of 4s and 4p.

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a

Both statement-I and Statement-II are incorrect

b

Both Statement-I and Statement-II are correct

c

Statement-I is incorrect and Statement-II is correct

d

Statement-I is correct and Statement-II is incorrect

answer is D.

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Detailed Solution

18 elements (K to Kr )4th period elements 

In d-block elements electron filling taking place in penultimate d orbital

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Statement-I: 4th period of periodic table has 8 elements.Statement-II: 4th period is related with filling of 4s and 4p.