5 Questions
What distinguishes chemical elements from each other?
Number of protons
What is the basic particle of the chemical elements?
Atom
What is the only atom that has no neutron?
Protium 1H
What is the term for atoms with the same number of protons but a different number of neutrons?
Isotopes
What percentage of an atom's mass is in the nucleus?
More than 99.94%
Atomic Structure Quiz: Test your knowledge of protons, neutrons, electrons, and the organization of atoms in the periodic table. Explore the fundamental components of atoms and their role in defining chemical elements.
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