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Q. No.
Identify the incorrect statement from the following:
1. The IUPAC name of the element with atomic number 107 is Unnilseptium.
2. The largest and the smallest species among \(\text{Mg}\), \(\text{Mg}^{2+}\), \(\text{Al}\) and \(\text{Al}^{3+}\) are \(\text{Al}\) and \(\text{Mg}^{2+}\), respectively.
3. The similarity in behaviour of \(\text{Li}\) with \(\text{Mg}\) is referred to as 'diagonal relationship'.
4. The oxidation state and covalency of \(\text{Al}\) in \([\text{AlCl}(\text{H}_2\text{O})_5]^{2+}\) are 3 and 6 respectively.
Subtopic:  Modern Periodic Table & Periodicity | Atomic Size |
 73%
Level 2: 60%+
NEET - 2026
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The correct order of increasing metallic character of Na, Be, P, Mg and Si is:
1. P < Si < Be < Mg < Na
2. Be < Si < P < Mg < Na
3. P < Si < Na < Mg < Be
4. P< Mg < Be < Si < Na
Subtopic:  Modern Periodic Table & Periodicity | Nature of Compound |
 69%
Level 2: 60%+
NEET - 2026
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Which of the following electronic configurations belong to the main group elements?
A \([\mathrm{Ne}] 3 \mathrm{~s}^1\) B \([\mathrm{Ar}] 3d^3 \mathrm{~4s}^2\)
C \([\mathrm{Kr}] 4 \mathrm{~d}^{10} 5 \mathrm{~s}^2 5 \mathrm{p}^5\) D \([\mathrm{Ar}] 3 \mathrm{~d}^{10} 4 \mathrm{~s}^1\)
E \(\mathrm{[R n] }5 f^0 6 d^2 7 s^2\)

Choose the correct answer from the option given below:
1. D and E only 2. A, C and D only
3. B and E only 4. A and C only
Subtopic:  Modern Periodic Table & Periodicity |
 55%
Level 3: 35%-60%
NEET - 2025
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Match List-I with List-II:
List-I
(IUPAC official name)		 List-II
(IUPAC Symbol)
A. Mendelevium I. Mt
B. Meitnerium II. Mc
C. Moscovium III. No
D. Nobelium IV. Md
Choose the correct answer from the options given below:
1. A-III, B-I, C-II, D-IV 2. A-IV, B-II, C-I, D-III
3. A-IV, B-I, C-II, D-III 4. A-I, B-IV, C-II, D-III
Subtopic:  Modern Periodic Table & Periodicity |
 91%
Level 1: 80%+
NEET - 2024
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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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