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Cl
CHEM 121 Studio
by Learn4Less · UBC CHEM 121
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Molecules
/ formate ion
Structure card
Formate ion ·
H
C
O
O
X
−
\ce{HCOO-}
HCOO
X
−
−
H
C
O
−
O
Central C atom bonded to 1 H and 2 O atoms, with no lone pairs.
C
H
O
O
120°
Ideal bond angle: 120°
Valence electrons
18
VSEPR class
A
X
3
\mathrm{AX_3}
A
X
3
Electron geometry
trigonal planar
Shape
trigonal planar
Bond angle
120°
Hybridization (C)
s
p
2
sp^{2}
s
p
2
Polarity
polar
Resonance
2 equivalent structures
Formal charges
O −1
Periodic table