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2 cards from this section. Quick, good the night before a test.
What is the nucleus?
Think about where the mass of an atom is concentrated.
Define atomic number.
It identifies the element.
What is the main component of a nucleus?
Think about the particles that provide mass to the atom.
True or False: The atomic number is different for isotopes.
Consider what defines an element.
If an atom has 12 protons and 14 neutrons, what is its mass number and its atomic number? What element is it?
Remember to add protons and neutrons for the mass number.
Discuss the implications of having stable and unstable isotopes in terms of nuclear reactions.
Consider stability and energy yield.
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