Question = Is clo3 polar or nonpolar ?
Answer = clo3 ( CHLORATE ION ) is Polar

Is clo3 polar or nonpolar ?
What is polar and non-polar?


Polar

"In chemistry, polarity is a separation of electric charge leading to a molecule or its chemical groups having an electric dipole or multipole moment.
Polar molecules must contain polar bonds due to a difference in electronegativity between the bonded atoms. A polar molecule with two or more polar bonds must have an asymmetric geometry so that the bond dipoles do not cancel each other.

Polar molecules interact through dipole–dipole intermolecular forces and hydrogen bonds. Polarity underlies a number of physical properties including surface tension, solubility, and melting and boiling points." (Wikipedia)


Polar molecules

A polar molecule has a net dipole as a result of the opposing charges (i.e. having partial positive and partial negative charges) from polar bonds arranged asymmetrically. (Wikipedia)

Polar molecules














http://www.school-for-champions.com
Picture: water is a polar molecule

Example polar molecules

Ammonia (NH3)
Sulfur Dioxide (SO2)
Hydrogen Sulfide (H2S)

Nonpolar molecules

A molecule may be nonpolar either when there is an equal sharing of electrons between the two atoms of a diatomic molecule or because of the symmetrical arrangement of polar bonds in a more complex molecule. (Wikipedia)


Nonpolar molecules










http://www.school-for-champions.com

Picture: Carbon dioxide

Example molecules non polar

Toluene
Gasoline
Helium (He)
Neon (Ne)
Krypton (Kr)
Xenon (Xe)
Hydrogen (H2)
Nitrogen (N2)
Oxygen (O2)
Carbon Dioxide (CO2)
Methane (CH4)
Ethylene (C2H4)



List molecules polar and non polar

Molecules polar

SCN- (Thiocyanate)
HCO3- (Bicarbonate)
BrCl3 (Bromine Trichloride)
HCO3-1
AsCl3 (Trichloroarsine)
OCl2
NO2Cl (Nitryl chloride)
CH3F (Fluoromethane)
H3O+ Hydronium
ClF (Chlorine monofluoride)
ClF3 (Chlorine trifluoride)
CF2Cl2 (Dichlorodifluoromethane)
SeF4
CH3OCH3 (Dimethyl ether)
CH3CH2OH (Ethanol)
NH2-
BrF3 (BROMINE TRIFLUORIDE)
CH3NH2 (Methylamine)
CH2Br2 (Dibromomethane)
HI (Hydrogen iodide)
NH4NO3 (Ammonium nitrate)
IF5 (Hydrogen cyanide)
OH2 (Hydroxide)
C2Cl2
NO+ (nitrilooxonium)
SBr2 
ICl4+
NO
CH3OH (Methanol)
SCl6
NOBr (Nitrosyl bromide)
CH4O (Methanol)
ICl3 (Iodine trichloride)
BrF5 (BROMINE PENTAFLUORIDE)
PCl5 (PHOSPHORUS PENTACHLORIDE)
CH2F2 (Difluoromethane)
SeH2 (Hydrogen selenide)
COS (Cobalt sulfide)
OF2 (Oxygen difluoride)
H2SO4 (SULFURIC ACID)
H2CO (Formaldehyde)
NF3 (NITROGEN TRIFLUORIDE)
C2H2Br2 (Acetylene dibromide)
TeF4
SCN 
CLO3- (Chlorate)
ICl5 
urea
SO2Cl2 (Sulfuryl chloride)
H2Se (Hydrogen selenide)
NH2 
XeO3
SbF3
CaCl2 (CALCIUM CHLORIDE)
AsF3 (ARSENIC TRIFLUORIDE)
C2H2 (Ethyne)
BrF 
Cl2O 
IF3 (Iodine trifluoride)
SH2
SCl4
CO (Carbon monoxide)
H3O
HNO3 (NITRIC ACID)
N2H2
NBr3 
So3 2-
CH3COOH (acetic acid)
salt
SeO2
nitrogen trifluoride
CCl2F2
N2H4
C2H5OH
NoCl (NITROSYL CHLORIDE)
C2H6O (Ethanol-d6)
SOCl2
H3O+ (Hydronium)
CHF3 (Fluoroform)
HClO (HYPOCHLOROUS ACID)
NI3 (Nitrogen triiodide)
NaCl (sodium chloride)
AsH3 (Arsine)
NH2Cl 
OCS (Carbonyl sulfide)
SiCl2F2
glucose
CH3
N2O
PoCl3 (PHOSPHORUS OXYCHLORIDE)
MgCl2
vinegar
IOF5
phosphate
CHBr3 (Bromoform)
ICl (IODINE MONOCHLORIDE)
carbon monoxide
sulfur dioxide
PBr3 (PHOSPHORUS TRIBROMIDE)
SF2 (Sulfur difluoride)
NH3 (ammonia)
SO2 (sulfur dioxide)
CH2Cl2 (DICHLOROMETHANE)
SF4 
H2S (hydrogen sulfide)
CHCl3 (CHLOROFORM)
PCl3 (PHOSPHORUS TRICHLORIDE)
SCl2 (Sulfur dichloride)
PH3 (Phosphine)
CH2O (Formaldehyde)
HF (HYDROFLUORIC ACID)
HBr (HYDROBROMIC ACID)
NCl3 (Nitrogen trichloride)
PF3 (Phosphorus trifluoride)
ethyl acetate
NO3- (nitrate)
NO2 (Nitrogen dioxide)
H2O2 (hydrogen peroxide)
CH3Br (Bromomethane)
cn- (cyanide)
O3 (OZONE)
CH3CL (Chloromethane)
ammonia
OH- (Hydroxide)
NO2- COCl2 (Cobalt(II) chloride)
glycerol
oh
chloroform
nitrogen trichloride
benzoic acid
ether
no3
CLF5 methylene chloride
sodium chloride
CH3SH
Na2SO4
sodium acetate
CaCO3
1-butanol
Clo-
C4H10
libr
cabr2 (Calcium bromide)
CH3CN (ACETONITRILE)
CH3CH2CH2OH 
C6H12O6
LiNO3 (Lithium nitrate)
MgO
SeOBr2
clo3
c3h7oh
nai (Sodium iodide)
glycerine
bri5
BrO2
ammonium chloride
CF3Cl
BF2Cl
IBr
GaCl3
KMnO4 (POTASSIUM PERMANGANATE)
Na2S (sodium sulfide)
KOH (POTASSIUM HYDROXIDE)
HCOOH
KBr (POTASSIUM BROMIDE)
carbohydrates
ClO4
Cl2CO
clo2-
succinic acid
H2SO3 (Sulfurous acid)
sodium nitrate
ethyne
NO2F 
CCL3F (Fluorotrichloromethane)
ammonium
ibr3
fluoromethane
C2H5Cl TeCl4
2-propanol
starch
ch2cl
XeOF4
SnCl2
SCO (Carbonyl sulfide)
SbBr3
H2CS
HC2H3O2
po(oh)3
Propanol
1-propanol
bro3-
ch3ch2ch2ch3
CF2Br2
acetic acid
aniline
CF
chlorine trifluoride
phenol
clo2
potassium permanganate
CH2S
nitrogen monoxide
ch3cho
glass
SH
COH2
SOF4
DNA 
CH3CH2NH2
Malonic Acid
ethylene glycol
isopropyl alcohol
hydrogen bromide
SeCl4
hydrogen peroxide
ozone
c3h6o
formaldehyde
po3 3
difluoromethane
aspirin
CHCl2
rubbing alcohol
fluorene or fluorenol
vitamin c  
HCl
nitrate
dimethyl ether
SCl
if4+


Molecules non polar

HBrO (Hypobromous acid)
SiF4 (Silicon tetrafluoride)
CH3CH3 (Ethane)
N2 (Nitrogen)
CO3 2- (Carbonate)
Heptane-
XeO4 (Xenon tetroxide)
KNO3 (Potassium nitrate)
CH3I (Methyl iodide)
CBr4 (Carbon tetrabromide)
AlCl3 (Aluminum trichloride)
C6H6 (benzene)
NH4Br
C2H4Cl2 (dichloroethane)
ligroin
SO4 2- (Sulfate)
C2H4
SF6 (Sulfur hexafluoride)
BH3 (Borane)
C2F2 (Ethyne)
C6H14 (HEXANE)
PO4 3- (phosphate)
GeH4 (Germane)
PBr5 (Phosphorus pentabromide)
NH4 (ammonium)
wax
CI4 (Tetraiodomethane)
bbr3 (BORON TRIBROMIDE)
H2 (Hydrogen)
IF4-
BeF2 (Beryllium difluoride)
I2 (Iodine)
GaH3 (Gallane)
SeBr4 (Selenium tetrabromide)
KrF4 
SiBr4
C2H6 (Ethane)
O2 (Oxygen)
biphenyl
PO4 3
P4 (Phosphorus tetramer)
SO4 2-
naphthalene
XeCl2
BrCl5
SeF6
SeO3
SiH4 (silane)
carbon tetrabromide
AsF5 (Arsenic pentafluoride)
BeH2 (Beryllium hydride)
SiO2 
KrF2 
CH2
cholesterol
F2 (Fluorine)
pentane
ClF2
C3H8
Propane
cyclohexane
toluene
SiCl4 (Tetrachlorosilane)
chlorine
PF5 (Pentafluorophosphorane)
BrCl
CO2 (carbon dioxide)
CCl4 (CARBON TETRACHLORIDE)
XeF2 
CS2 (CARBON DISULFIDE)
SO3 (SULFUR TRIOXIDE)
XeF4 (Xenon tetrafluoride)
BCl3 (BORON TRICHLORIDE)
BeCl2 (Beryllium dichloride)
CF4 (CARBON TETRAFLUORIDE)
Cl2 (Chlorine)
Br2 (Bromine)
Hexane
carbon dioxide
i3-
carbon tetrachloride
carbon disulfide
methane
glycine
sulfur trioxide
benzophenone
oxygen
AlF3 (Aluminum fluoride)
beryllium dichloride
C8H18 (octane)
C2Cl4
PF6-
XeCl4
SbF5 (ANTIMONY PENTAFLUORIDE)
CH3CH2CH3
C5H12 (PENTANE)
silane
s8
BF4 BF4-
SeCl6
BeBr2
BeI2
CSe2
Pcl4
C3H6
AlH3 (Aluminum trihydride)
TeO3 (Tellurium trioxide)
Br-Br
AsCl5
octane
carbonate ions
ClF4 plus
acids
kerosene
acetylene
C-C
ethane
CCl
Cl4
cbr
sulfate
butter
triglycerides
grease
beryllium chloride
carbon tetrafluoride
butane 
silicon tetrafluoride
nitrogen
ICl2-
bromine
hydrocarbon

HE
boron trichloride
CS
sulfur hexafluoride
sis2
xenon tetrafluoride
CH4
vitamin e


Ionic

NaBr
KCl
NaF
kf  
NaNO3 
cao
ki lif
licl (LITHIUM CHLORIDE)
ammonium sulfate
MgF2


Resources: 

https://en.wikipedia.org/wiki/Chemical_polarity
http://www.school-for-champions.com/chemistry/polar_molecules.htm#.WZIGddJJbcc
reference.com
www.quora.com
answers.yahoo.com
youtube.com
google.com
https://pubchem.ncbi.nlm.nih.gov

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Question = Is clo3 polar or nonpolar ?
Answer = clo3 ( CHLORATE ION ) is Polar


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