5 Questions
Which particle is found in the nucleus of an atom?
Proton
What distinguishes one chemical element from another?
Number of protons
What defines the isotope of an element?
Number of neutrons
What is the size of an atom typically?
Around 100 picometers across
Why can't humans see atoms with conventional microscopes?
Atoms are too small
Test your knowledge of atoms and elements with this quiz! Learn about the structure of atoms, the role of protons and neutrons, and how elements are distinguished by their atomic numbers. Challenge yourself to identify different elements based on their number of protons.
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