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Practice Quiz 4 2009.doc

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Department
Chemistry
Course
CHM 2046
Professor
Christou
Semester
Spring

Description
1 CHM 2046 Quiz 4A Spring, 2006 Answer all questions.   1. a)  (3 points) Rank the following in order of decreasing metallic character. S, In, Si, Sr, Se The order is ____  >  ____  >  ____  >  ____  >  ____ b) (3 points) Rank the following in order of increasing acidity of the oxides. BaO, SO , 2s O 2 5 O 2 T5 O 2 The order is ____ > ____ > ____ > ____  >  ____ c) (3 points) Rank the following in order of increasing oxidizing strength. Sb, Tl, Se, Pb, As The order is ____ > ____ > ____ > ____ > ____ b) (3 points) Rank the following in order of covalency in the bonding. SrO, HgO, SO , I2O, InO 2 The order is ___ > ___ > ___ > ___ > ___ 2. a) (1 point each) Name the following isotopes of hydrogen.       H (_______________),        H (________________), 3 H (__________________). b) (2 points) Complete and balance the following equation for the reaction between potassium metal  and H  2as. K (s) + H  2g) → c) (2 points) Complete and balance the following
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