3 Questions
What distinguishes chemical elements from each other?
The number of protons in their atoms
Which subatomic particle has a positive electric charge?
Proton
What is the size of an atom compared to a human hair?
Atoms are 1,000,000 times smaller than a human hair
Test your knowledge of atoms and their composition with this quiz. Identify the number of protons, neutrons, and electrons in various elements and learn how they determine an element's properties. Perfect for students of chemistry or anyone interested in the fundamental building blocks of matter.
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