Match List-I with List-II 
List-I
(Block/group in periodic table)
 
List-II
(Element)
A.  Lanthanoid  I.  Ce
B.  d-Block element  II. As
C.  p-Block element  III. Cs
D.  s-Block element  IV.  Mn
Choose the correct answer from the options given below:
1. A-I, B-II, C-IV, D-III
2. A-I, B-IV, C-III, D-II
3. A-I, B-IV, C-II, D-III
4. A-IV, B-I, C-II, D-III
Subtopic:  Modern Periodic Table & Periodicity |
 84%
Level 1: 80%+
NEET - 2024
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The IUPAC name of an element with atomic number 119 is:
1. Ununoctium 
2. Ununennium 
3. Unnilennium 
4. Unununnium
Subtopic:  Modern Periodic Table & Periodicity |
 83%
Level 1: 80%+
NEET - 2022
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Identify the incorrect match:

Name IUPAC Official Name
(a) Unnilunium (i) Mendelevium
(b) Unniltrium (ii) Lawrecium
(c) Unnilhexium (iii) Seaborgium
(d) Unununium (iv) Darmstadtium
 
1. (b)-(ii) 2. (c)-(iii)
3. (d)-(iv) 4. (a)-(i)
Subtopic:  Modern Periodic Table & Periodicity |
 63%
Level 2: 60%+
NEET - 2020
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Match Column-I with Column-II.

Column-I Column-II
(a) Copper (i) Non-metal
(b) Fluorine (ii) Transition metal
(c) Silicon (iii) Lanthanoid
(d) Cerium (iv) Metalloid
 
(a) (b) (c) (d)
1. (ii) (iv) (i) (iii)
2. (ii) (i) (iv) (iii)
3. (iv) (iii) (i) (ii)
4. (i) (ii) (iii) (iv)
Subtopic:  Modern Periodic Table & Periodicity | Electronic Configuration |
 87%
Level 1: 80%+
NEET - 2020
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Which of the following ionic species is isoelectronic with \(\mathrm{Be^{2+}}\)?

1. H+ 2. Li+
3. Na+ 4. Mg2+
Subtopic:  Electronic Configuration |
 92%
Level 1: 80%+
AIPMT - 2014
Hints

The correct decreasing order of atomic radii (pm) of Li, Be, B and C is:

1. Be > Li > B > C
2. Li > Be > B > C
3. C > B > Be > Li
4. Li > C > Be > B
Subtopic:  Atomic Size |
 81%
Level 1: 80%+
NEET - 2024
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The element expected to form the largest ion to achieve the nearest noble gas configuration is: 
1. Sodium(Na)  2. Oxygen(O) 
3. Fluorine(F)  4. Nitrogen(N)
Subtopic:  Atomic Size |
 56%
Level 3: 35%-60%
NEET - 2023
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Match List-I (Elements) with List-II (Atomic radii (pm)):

List-I
Elements
List-II
Atomic radii (pm)
(a) Oxygen (\(O\)) (i) 88
(b) Carbon (\(C\)) (ii) 74
(c) Boron (\(B\)) (iii) 66
(d) Nitrogen (\(N\)) (iv) 77
Choose the correct answer from the options given below:
(a) (b) (c) (d)
1. (ii) (i) (iv) (iii)
2. (iv) (iii) (ii) (i)
3. (i) (iv) (iii) (ii)
4. (iii) (iv) (i) (ii)
Subtopic:  Atomic Size |
 74%
Level 2: 60%+
NEET - 2022
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The species Ar, K+ and Ca2+ contain the same number of electrons. In which order do their radii increase?
1.  Ar < K< Ca2+
2. Ca2+ < Ar < K+
3. Ca2+ < K< Ar
4. K+ < Ar < Ca2+

Subtopic:  Atomic Size |
 84%
Level 1: 80%+
NEET - 2015
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The correct order of ionic radii is:

1. H->H+>H 
2. Na+>F->O2-
3. F->O2->Na+
4. N3->Mg2+>Al3+

Subtopic:  Atomic Size |
 82%
Level 1: 80%+
AIPMT - 2014
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