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Molecular Orbital Energy Diagrams

Atomic number...

Question

Atomic number $56$ belongs to which block ?

A

s

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B

p

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C

d

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D

f

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Solution

The correct option is A $s$
The electronic configuration of the above element is $[X e] 6 s^{2}$ . Since the valence electrons are in the $s$ subshell, the element belongs to s-block.

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Similar questions

Q. Which of the following sets of atomic numbers corresponds to elements belonging to s, d, f, p blocks respectively?

Q. Element with atomic number 56 belong to which block?

Q. Match the atomic numbers given in column I with the block in which the element is placed in column II and mark the appropriate choice.

Column I (Atomic Number)	Column II (Block)
(A) 62	(i) d-block
(B) 47	(ii) p-block
(C) 56	(iii) f-block
(D) 53	(iv) s-block

Q. Which pair of atomic numbers represents elements which belong to s block?

Q. A pair of atomic numbers which belong to s-block are _________.

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