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Chemistry - PERIODIC TABLE Question with Solution | TestHub

ChemistryPERIODIC TABLEIntroduction, NamingEasy2 minPYQ_2023
ChemistryEasysingle choice

Match List - I with List - II

 

LIST-I
(Atomic number)

 

LIST-II
(Block of periodic table)

(A)37I.p-block
(B)78II.d-block
(C)52III.f-block
(D)65IV.block

Choose the correct answer from the options given below:

Options:

Answer:
D
Solution:

The orbital where the last electron enters defines the block in the periodic table where the elements belong to:

Atomic numberBlockElectronic Configuration
37 Ks-block[Ar] 4s1
78 Ptd-block[Xe]4f145d96s1
52 Tep-block[Kr] 4d10 5s25p4
65 Tbf-block[Xe] 4f96s2
Stream:JEESubject:ChemistryTopic:PERIODIC TABLESubtopic:Introduction, Naming
2mℹ️ Source: PYQ_2023

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