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4 cards from this section. Quick, good the night before a test.
What are the three types of subatomic particles?
Remember the acronym P.E.N.
What charge does an electron carry?
Think about its role in electrical attraction.
An atom is the smallest unit of matter that retains the properties of an element.
Consider the definition of an atom.
What determines the identity of an element?
Think about what the atomic number represents.
Using the atomic number and mass number, identify the element with 6 protons and 8 neutrons.
Remember mass number = protons + neutrons.
Explain how isotopes of an element differ and provide an example.
Focus on the difference in neutron numbers.
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