WS_Chapter_7b_10_26_09

WS_Chapter_7b_10_26_09 - atomic radius (small to large): F,...

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Chemistry 1201 Dr. Watkins SI Phillip Bellan – Leader Monday 3:30-5:00 210 Williams Wednesday 5:30-7:00 210 Williams Friday (office) 10:30-11:30 B-39 Allen 1. [7.57] How are metallic character and first ionization energy related? 2. [7.31] Which neutral atom is isoelectronic with each of the following ions: Al 3+ , Ti 4+ , Br - , Sn 2+ ? 3. [7.41] Why are ionization energies always positive quantities? Why does F have a larger first ionization energy than O? Why is the second ionization energy of an atom always greater than the first? 4. [7.23] How do the sizes of atoms change as we move : a. From left to right across a row in the periodic table? b. From top to bottom in a group in the periodic table? c. Arrange the following atoms in order of increasing
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Unformatted text preview: atomic radius (small to large): F, P, S, As. Chemistry 1201 Dr. Watkins SI Phillip Bellan – Leader Monday 3:30-5:00 210 Williams Wednesday 5:30-7:00 210 Williams Friday (office) 10:30-11:30 B-39 Allen 5. For the three species, Cl, Ar and Cl-, which sequence lists the sizes from largest to smallest? a) Cl- Cl Ar b) Ar Cl Cl- c) Ar Cl- Cl d) Cl- Ar Cl e) Cl Cl- Ar 6. In general, as you go across a period from left to right in the periodic table the atomic radius _______, the electron affinity _________, and the first ionization energy __________. a) decreases, increases, increases b) increases, increases, increases c) decreases, decreases, increases d) increases, increases, decreases e) decreases, decreases, decreases...
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This note was uploaded on 11/21/2011 for the course ENGL 1200 taught by Professor Wranger during the Spring '11 term at LSU.

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WS_Chapter_7b_10_26_09 - atomic radius (small to large): F,...

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