Unformatted text preview: from a group I element M and a group VII element X is 100
kJ/mol, i. e. for the reaction
M + X → M+ + X- , (Ionization energy of M) – (Electron affinity of X) = 100 kJ/mol
(the reaction takes place with isolated atoms in the gas phase)
At what distance of separation between the two ions will the potential energy of interaction
between them exactly compensate for the cost of making the ions. Be careful with units. Give
your answer in meters.
the potential energy must be -100 kJ/mol
using the Coulomb expression for potential energy
(-100 kJ/mol)/(6.022 x...
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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