QQuestionChemistry
QuestionChemistry
Consider the molecule, XeF^4.
The electron domain geometry (EDG) is
Question Blank 1 of 2
The molecular geometry (MG) is
Options:
seesaw
octahedral
trigonal bipyramidal
square planar
square pyramidal
tetrahedral
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Answer
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Step 1: Determine the electron configuration of Xe and F.
Its electron configuration is $$[He] 2s^{2} 2p^{5}$$.
Xenon (Xe) is in the 6th period and has an atomic number of 54. Fluorine (F) is in the 2nd period and has an atomic number of 9.
Step 2: Calculate the total valence electrons in the XeF^4 molecule.
Xenon contributes 8 valence electrons (2 from 6s and 6 from 6p). Each fluorine contributes 7 valence electrons (2 from 2s and 5 from 2p). There are 4 fluorine atoms in XeF^4, so they contribute a total of 28 valence electrons (7 electrons/fluorine * 4 fluorines). The total number of valence electrons in XeF^4 is 8 (from Xe) + 28 (from F) = 36 valence electrons.
Final Answer
The molecular geometry (MG) of XeF^4 is a seesaw.
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