Skip to content
Cl
CHEM 121 Studio
by Learn4Less · UBC CHEM 121
Learn
Practice
Mock exams
My progress
Learn
Practice
Mock exams
My progress
Molecules
/ selenium tetrafluoride
Structure card
Selenium tetrafluoride ·
S
e
F
X
4
\ce{SeF4}
SeF
X
4
Se
F
F
F
F
Central Se atom bonded to 4 F atoms, with 1 lone pair.
F
F
Se
F
F
90°
120°
180°
Ideal bond angles: 90°, 120°, 180°
Valence electrons
34
VSEPR class
A
X
4
E
\mathrm{AX_4E}
A
X
4
E
Electron geometry
trigonal bipyramidal
Shape
seesaw
Bond angle
90°, 120°, 180° (slightly less than 90° and 120°; the lone pair sits equatorial)
Hybridization (Se)
s
p
3
d
sp^{3}d
s
p
3
d
Polarity
polar
Periodic table