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Which of the following statement (s) is/...

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

A

The last member of the `7th` period of the periodic table will have atomic number `118` if observed.

B

All the transition elements are metals and paramagnetic .

C

The maximum number of elements are present in the `5th` period of the periodic table.

D

Every period of the periodic table starts with a member of alkali group.

Text Solution

Verified by Experts

The correct Answer is:
A, B
Statements (a and b) are correct.
a. Learn it as a fact.
b. Statement (b) is correct and all the transition elements are paramagnetic (except `Zn, Cd` and `Hg` i.e., they have filled `d`-robitals)
c. False. Maximum number of elements present in `6th` period are :
s-block `= 2`, d-block `= 10`, f-block`=14`, p-block `= 6`, Total `= 32` elements
d. False. Except 1st period `(H)`, every period starts with a member of alkali group.
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