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Unformatted text preview: onegativity decreases down a column, so BaO has the largest electronegativity difference and is the
b. Which ion is larger, Rb+ or Sr2+
the two ions have the same number of electrons, but Sr2+ has more positive charge ; thus electrons are
drawn closer to the nucleus and Sr2+ is smaller.
c. In which molecule is the C-O bond stronger, CO or CO2
CO has a triple bond, CO2 has double bonds; more shared electrons make bonds shorter and stronger;
thus CO will have the stronger bond. page 4...
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This note was uploaded on 02/07/2014 for the course CHEMISTRY 030.101 taught by Professor Draper during the Spring '06 term at Johns Hopkins.
- Spring '06