Question:medium

Which of the following elements has the smallest atomic radius?

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Across a period in the periodic table, atomic radius decreases due to increasing nuclear charge.

Updated On: Nov 26, 2025

Na
Mg
Al
Si

Top Questions on Periodic Table

Which among the following electronic configurations belong to main group elements?
A. [Ne]3s$^1$
B. [Ar]3d$^3$4s$^2$
C. [Kr]4d$^5$3s$^2$5p$^5$
D. [Ar]3d$^10$4s$^1$
E. [Rn]5f$^7$6d$^2$7s$^2$
Choose the correct answer from the options given below:
- NEET (UG) - 2025
- Chemistry
- Periodic Table
View Solution
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
Identify the correct answer from the options given below :
- NEET (UG) - 2024
- Chemistry
- Periodic Table
View Solution
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