Discuss the position of hydrogen in the ...

Discuss the position of hydrogen in the periodic table.

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Note: Read the assertion and reason carefully and then mark the correct option out of the options given below: Assertion (A) : There is an anomaly in the position of hydrogen in the Periodic Table. Reason (R) : The elements Al, Si and P belong to the fourth period in the Periodic Table.

Both (A) and (R) are true and (R ) is correct explanation of the assertion.

Both (A) and (R ) are true but (R ) is explanation of the assertion.

(A) is true but (R ) is false.

(A) is false but (R ) is true.

The position of hydrogen in Mendeleev's periodic table is not fixed but is anomalous because it resembles the elements of both groups:

`IIA`and`VIIA`

`IA`and`IVA`

`IA`and`VIIA`

`IIA`and`IVA`

What is the position of an element in the periodic table whose atomic number is 33?

Group 1

Group 3

Group 15

Group 7