Chem test 3
How many electron domains are on the central atom of carbon dioxide if it has a linear electron domain geometry?
2
Which of the following equations could NOT be used to determine effective nuclear charge?
Z(eff) = protons - electrons
Which of the following entities, found in Lewis structures, count as one electron domain? Mark ALL that apply.
double,single, and triple bond, and lone pair of electrons.
6 Domain 2 lone pairs
electron: Octahedral molecular: Square planar
6 Domain 1 lone pair
electron: Octahedral molecular: Square pyramidal
4 Domains 1 lone pair
electron: Tetrahedral molecular: trigonal pyramidal
5 Domain 2 lone pairs
electron: Trigonal bipyramidal molecular: T shaped
5 Domain 1 lone pair
electron: Trigonal bipyramidal molecular: seesaw
3 Domains 1 lone pair
electron: Trigonal planar molecular: Bent
5 Domain 3 lone pairs
electron: electron: Trigonal bipyramidal molecular: linear
4 Domain 2 lone pairs
electron: tetrahedral molecular: bent
The shielding constant for a valence electron in a multi-electron atom is approximately equal to
number of core electrons
The structure of xenon tetrafluoride (XeF4) consists of 4 single bonds and 2 lone pairs on the xenon atom. What name is given to the electron domain geometry of XeF4?
octahedral
Effective nuclear charge is
the amount of attraction that an electron "feels" for the nucleus.
Approximating the value of Zeff, by using the number of core electrons as the value for the shielding constant, usually causes calculated values of Zeff to be too large because:
the number of core electrons does not account for all of the repulsions that can occur among electrons.