The shape of molecule is two symmetrical triangle. Electronegativities of C and H are different, therefore C - H bonds polar, but C = C bond is nonpolar. Since the molecule is symmetrical there is an even charge distribution, and hence the molecule is nonpolar.
No, like other hydrocarbons ethane is nonpolar.
CH2 does not exist on its own and polarity is generally only considered in respect of neutral moelcules.
Nonpolar
Non polar because C2H4 (ethene) is a flat, symmetrical molecule, formed like this: >-
nonpolar
It is nonpolar
nonpolar
nonpolar
nonpolar
Polar
polar
nonpolar. The fat molecules in peanut butter are nonpolar, that is why peanut butter doesn't evenly mix with water, a polar substance.