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2 cards from this section. Quick, good the night before a test.
What does the atomic number represent?
Think about what makes one element different from another.
Is Carbon-12 and Carbon-14 the same element?
Focus on the definition of isotopes.
What is the atomic number of Oxygen?
Refer to the periodic table for the atomic numbers.
Is Carbon-14 more stable than Carbon-12?
Consider the stability of isotopes when they decay.
If an element has an atomic number of 15 and a mass number of 31, how many neutrons does it have?
Subtract the atomic number from the mass number.
Discuss how isotopes can vary physical properties, such as stability and radioactivity.
Consider real-world applications of isotopes.
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