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AP Chemistry Final Exam with complete solutions 2024_2025
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AP Chemistry Final Exam with complete solutions 2024_2025
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AP Chemistry Final Exam with completesolutions 2024/2025
AP Chemistry Final Exam Review
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Periodicity and the QM atom - 3
Chemical Nomenclature - 28
Organic Nomenclature - 38
Formula Stoichiometry - 46
Chemical Reactions - 56
Equation Stoichiometry - 72
Solutions - 80
Gases - 93
Thermochemistry - 110
Motivation - 127
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Periodicity and the QM atom
Unit 1
Development of the Periodic Table
- Began by grouping elements based on chemical properties that repeated at
regular intervals
- Mendelev organized by atomic mass and then later corrected things by
considering chemical properties
Organization of the Periodic Table
- Periods (rows) begin with a reactive metal and end with a noble gas
- Period number represents # of valence shells
- Group # shows number of valence electrons
Atomic Radii
- The greater the period number the larger the radius of the atom gets because it
contains more valence shells
- Decreases when going to the right across a period because the greater number
of protons in the nucleus will pull the valence shells closer to the centre
Ionization Energy
- Energy requiread to remove one electron from a gaseous atom
- Decreases going down a group
- increases across a period
Electronegativity
- The ability of an atom in a molecule to attract electrons to itself
- Decreases going down each group
- Increases across each period
What occurs in ionic bonding?
- A metal gives its e- to a non-metal (metal becomes cation, non-metal becomes
anion)
- They then become attracted to each other by opposite charges forming an ionic
compound
What is a covalent bond?
- The sharing of e- between two atoms (they keep sharing until they each have the
octet)
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