5 Questions
How are chemical elements distinguished from each other?
Chemical elements are distinguished from each other by the number of protons that are in their atoms.
What is an atom?
An atom is a particle that consists of a nucleus of protons and neutrons surrounded by an electromagnetically-bound cloud of electrons.
Give an example of an atom with 11 protons.
An atom with 11 protons is sodium.
What determines the isotope of an element?
The number of neutrons in an atom determines the isotope of an element.
Why can't humans see atoms with conventional microscopes?
Atoms are smaller than the shortest wavelength of visible light, making them invisible to conventional microscopes.
Test your knowledge of atoms and elements with this quiz! Learn about the composition of an atom, the role of protons and neutrons, and how elements are identified based on their atomic number. Challenge yourself and see how well you understand the building blocks of chemistry!
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