4.6 - Isotopes
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Practice Questions
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Define isotopes.
💡 Hint: Think about what makes two atoms the same element.
What is the atomic number?
💡 Hint: Consider the definition of an element.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What defines isotopes?
💡 Hint: Think about how isotopes are related to the same element.
True or False: Isobars are atoms of the same element.
💡 Hint: Consider the definitions of isotopes versus isobars.
1 more question available
Challenge Problems
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An element has two isotopes. Isotope 1 has a mass of 10 u and makes up 80% of the element. Isotope 2 has a mass of 12 u. Calculate the average atomic mass.
💡 Hint: Similar to the chlorine example discussed.
If a certain isotope of carbon has 6 protons and 8 neutrons, identify its mass number and determine which isotope it is.
💡 Hint: Try to relate it back to the definition of isotopes.
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