Molecular symmetry

Symmetrical molecules are non-polar. Below are some symmetrical molecules, as constructed with a molecular model kit, shown on the right.

Other symmetric molecules of this type include SiH4 , CCl4, CF4 and any other arrangement of four identical atoms around a carbon atom.

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All hydrocarbons are also considered to be symmetric molecules. Hydrocarbons such as ethane (C2H6), pictured on the right and benzene (C6H6) pictured below.
 
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Negative chlorine ions are attracted to the anode and form chlorine gas. Positive sodium ions are attracted to the cathode and form sodium metal. Power source Water molecules orient themselves to expose their negative end to the positive ion.Water molecules orient themselves to expose their negative end to the positive ion. Water molecules orient themselves to expose their negative end to the positive ion.Water molecules orient themselves to expose their negative end to the positive ion. Water molecules orient themselves to expose their negative end to the positive ion. Water molecules orient themselves to expose their negative end to the positive ion.Water molecules orient themselves to expose their negative end to the positive ion. The water molecules orient themselves to expose their positive end to the negative ion. The water molecules orient themselves to expose their positive end to the negative ion. The water molecules orient themselves to expose their positive end to the negative ion. The fluorine atom attracts the electrons towards it unevenly and results in this end of the molecule having a slightly negative charge. The fluorine atom attracts the electrons towards it unevenly and results in this end of the hydrogen atom having a slightly positive charge. Hydrogen molecule Hydrogen molecule Hydrogen molecule