Practice - Introduction
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Practice Questions
Test your understanding with targeted questions
What is the definition of an atom?
💡 Hint: Think about how atoms relate to elements.
Name three subatomic particles.
💡 Hint: Remember the components that make up an atom.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the smallest particle of an element?
💡 Hint: Think about the definition of an element.
Dalton proposed that atoms are indivisible.
💡 Hint: Remind yourself of Dalton's main ideas.
3 more questions available
Challenge Problems
Push your limits with advanced challenges
Given an atom with 12 protons, determine its atomic number, mass number (with 12 neutrons), and balance the electron configuration.
💡 Hint: Apply the definitions of atomic number and mass number.
If a neutral atom has 6 protons and 8 neutrons, what is its charge, atomic number, and listed as an isotope?
💡 Hint: Recall how neutrons and protons determine both identity and charge.
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Reference links
Supplementary resources to enhance your learning experience.