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Published byRoxanne Hoover Modified over 6 years ago
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Lon-Capa 6th HW assignment due Friday, 11/4, 5 pm. It is open now.
5th Quiz due Sunday, 11/13 by 10 pm. It will open Friday, 11/11 at 5 pm.
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Clicker Question Consider different “sodium particles” (atom or ions) in separate evacuated containers. Which of the following sodium species is lowest in energy? a) Na b) Na+ c) Na2+ d) Na e) Na2
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Clicker Question Consider different “oxygen particles” (atom or ions) in separate evacuated containers. Which of the following oxygen species is lowest in energy? a) O b) O+ c) O2+ d) O e) O2
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Clicker Question Consider different “oxygen particles” (atom or ions) in separate evacuated containers. Which of the following oxygen species is second lowest in energy? a) O b) O+ c) O2+ d) O e) O2
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Four Trends to Understand
Atomic radius Ionization Energy Energy required to remove an electron from a gaseous atom (or cation). Electron Affinity Energy change associated with the addition of an electron to a gaseous atom or ion. Electronegativity Ability of an atom in a molecule to attract shared electrons to itself.
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IE vs. Atomic Number
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Successive IEs
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EA vs. Atomic Number
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