1.1 - What is an Atom?
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Practice Questions
Test your understanding with targeted questions
What are the three types of subatomic particles?
💡 Hint: Remember the acronym P.E.N.
What charge does an electron carry?
💡 Hint: Think about its role in electrical attraction.
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Interactive Quizzes
Quick quizzes to reinforce your learning
An atom is the smallest unit of matter that retains the properties of an element.
💡 Hint: Consider the definition of an atom.
What determines the identity of an element?
💡 Hint: Think about what the atomic number represents.
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Challenge Problems
Push your limits with advanced challenges
Using the atomic number and mass number, identify the element with 6 protons and 8 neutrons.
💡 Hint: Remember mass number = protons + neutrons.
Explain how isotopes of an element differ and provide an example.
💡 Hint: Focus on the difference in neutron numbers.
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