What is the smallest element on the periodic table?
Understand the Problem
The question is asking for the identity of the smallest element, which refers to its atomic number or atomic mass. This question is seeking a factual answer regarding chemical elements.
Answer
Helium (He)
The final answer is Helium (He)
Answer for screen readers
The final answer is Helium (He)
More Information
Helium is the smallest element in terms of atomic radius. It is lighter and less reactive than most elements and is often used in applications requiring lightweight, non-reactive gases.
Tips
A common mistake is assuming Hydrogen is the smallest element because it has the lowest atomic number. While it does have the least number of protons, its electron cloud is larger than that of Helium.
Sources
- Understanding the Periodic Table of Elements - instructables.com
- What is the smallest element on the periodic table? - Quora - quora.com
- Is Helium the smallest element? - BYJU'S - byjus.com
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