The structure of the atom
An atom is made of a nucleus, containing protons (positively charged) and neutrons (no charge), surrounded by electrons (negatively charged) arranged in energy levels. The number of protons determines which element an atom is, and atoms of the same element can have different numbers of neutrons, called isotopes.
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This midterm covers a lot of topics, so it's split into 2 parts. Each part includes a question from every one of its topics.
Midterm, Part 1 of 2
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Midterm, Part 2 of 2
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This final covers a lot of topics, so it's split into 4 parts. Each part includes a question from every one of its topics.
Final, Part 1 of 4
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Final, Part 2 of 4
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Final, Part 3 of 4
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Final, Part 4 of 4
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