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10-24-11 - Chemistry 1A F11 10.24.11 Dr Shaka Trends Here...

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157 Chemistry 1A F11 10.24.11 Dr. Shaka Course Code 40000 Trends Here are some accepted values: The radius shrinks going right or up.
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158 Chemistry 1A F11 10.24.11 Dr. Shaka Course Code 40000 Ionic Radii Note that the H anion is larger than F ! Ionic sizes affect salt structures greatly.
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159 Chemistry 1A F11 10.24.11 Dr. Shaka Course Code 40000 Ionization Energy Given sufficient energy (either by an energetic photon h ν of high enough frequency or by the impact of an electron, from a cathode ray or an accelerator), we can kick an electron out of an atom. • The ionization energy of an atom is the least energy that will kick out an electron, to give an ion and a free electron (the latter theoretically at infinity, at rest). The atom should be isolated, and in the gas phase. The work function of a solid is similar to IE.
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160 Chemistry 1A F11 10.24.11 Dr. Shaka Course Code 40000 Ionization Energy Ionization energy is also called ionization potential (because of the voltage used to cause ionization).
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