H9_FA 2010 - C111 Homework 9 FA 2007 Name _ DUE FRIDAY NOV....

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FA 2007 Name ____________________________ D UE FRIDAY N OV . 19 BY 3:00 PM 1. (1 pt) Why is the radius of the lithium atom considerably larger than the radius of the hydrogen atom, (and not just slightly larger)? (The answer "it has more electrons" will not be sufficient.) 2. (1.2 pts) An atom in the gas phase has the following sequential ionization potentials. (“I.P.” means “ionization potential”) (The list does not necessarily show IP values of all electrons on the atom) 1 st I.P, e V 2 nd I.P. e V 3 rd I.P. e V 4 th I.P, e V 5 th I.P., e V 6 th I.P., e V 7 th I.P., e V 14.534 29.601 47.448 77.472 97.888 552.057 667.029 This element is in what group on the periodic table ? What are the values of "x" and "y", in the is the "generic" valence shell configuration for this element? (The "generic" valence shell has the form ns x np y ) 3. (1 pts) (a) Describe (i) the electron affinity experiment (what phase is the element? What is done to the element?) and (ii) define electron affinity in a few words. (i)
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H9_FA 2010 - C111 Homework 9 FA 2007 Name _ DUE FRIDAY NOV....

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