AP Chem Summer HW

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Last updated 5:13 PM on 7/15/26
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7 Terms

1
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Atomic Size

Increases right to left across period due to MORE PROTONS or NUCLEAR STRENGTH/Zeff
Increases down a group due to MORE ENERGY LEVELS

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Ionic Size

Cations are SMALLER than there parents due to an INCREASE IN NET NUCLEAR ATTRACTION
Anions are LARGER than their parents due to ELECTRON-ELECTRON REPULSION

3
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Ionization Energy

Amount of energy needed to remove an electron from a gaseous atom.
Increases from left to right across a period due to MORE PROTONS
Decreases down a group due to MORE ENERGY LEVELS

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Amount of energy released when an atom gains an electron. Negative____________ means that the element will accept an electron.

electron affinity

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Electronegativity

Competition between atoms in a compound for electrons.
Increases from left to right a cross a period and decreases going down a group.

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7 Strong Acids

hydrochloric acid - HCl

nitric acid - HNO3

sulfuric acid - H2SO4

hydrobromic acid - HBr

hydroiodic acid - HI

chloric acid - HClO3

perchloric acid - HClO4

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8 Strong Bases

lithium hydroxide - LiOH

sodium hydroxide - NaOH

potassium hydroxide - KOH

calcium hydroxide - Ca(OH)2

rubidium hydroxide - RbOH

strontium hydroxide - Sr(OH)2

cesium hydroxide - CsOH

barium hydroxide - Ba(OH)2