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NCERT Based Test: Electronic Configuration of Elements & The Periodic Table - NEET MCQ


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5 Questions MCQ Test Chemistry Class 11 - NCERT Based Test: Electronic Configuration of Elements & The Periodic Table

NCERT Based Test: Electronic Configuration of Elements & The Periodic Table for NEET 2024 is part of Chemistry Class 11 preparation. The NCERT Based Test: Electronic Configuration of Elements & The Periodic Table questions and answers have been prepared according to the NEET exam syllabus.The NCERT Based Test: Electronic Configuration of Elements & The Periodic Table MCQs are made for NEET 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for NCERT Based Test: Electronic Configuration of Elements & The Periodic Table below.
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NCERT Based Test: Electronic Configuration of Elements & The Periodic Table - Question 1

Anything that influences the valence electrons will affect the chemistry of the element. Which one of the following factors does not affect the valence shell?

Detailed Solution for NCERT Based Test: Electronic Configuration of Elements & The Periodic Table - Question 1

Nuclear mass does not affect the valence shell because nucleus consists of protons and neutrons. Whereas proton, i.e. nuclear charge affects the valence shell but neutrons do not. Thus, option (c) is wrong.

NCERT Based Test: Electronic Configuration of Elements & The Periodic Table - Question 2

Which of the following elements shown as pairs with their atomic numbers belong to the same period?

Detailed Solution for NCERT Based Test: Electronic Configuration of Elements & The Periodic Table - Question 2

Z = 12, 1s2, 2s2, 2p6, 3s2 (n = 3)
Z = 17, 1s2 2s2 2p6 3s2 3p5 (n = 3)

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NCERT Based Test: Electronic Configuration of Elements & The Periodic Table - Question 3

To which group,an element with atomic number 88 will belong?

Detailed Solution for NCERT Based Test: Electronic Configuration of Elements & The Periodic Table - Question 3

Z = 88, [Rn] 7s2, hence belongs to group 2.

NCERT Based Test: Electronic Configuration of Elements & The Periodic Table - Question 4

Match the column I with column II and mark the appropriate choice.

Detailed Solution for NCERT Based Test: Electronic Configuration of Elements & The Periodic Table - Question 4

(A) 3d-transition series, Z = 21 (Sc) to Z=30 (Zn)
(B) Lanthanoid series, Z = 58 (Ce) to Z = 71 (Lu)
(C) Actinoid series, Z = 90 (Th) to Z = 103 (Lr)
(D) 4d-transition Z = 39 (Y) to Z = 48 (Cd) series,

NCERT Based Test: Electronic Configuration of Elements & The Periodic Table - Question 5

An element has atomic number 79. Predict the group and period in which the element is placed.

Detailed Solution for NCERT Based Test: Electronic Configuration of Elements & The Periodic Table - Question 5

Z = 79 [Xe]4f145d10.6s1 (n = 6)
As n = 6, the element belongs to 6th period.
Group = ns + (n - I)d, I + 10 = 11

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