polar and non polar compounds

Differences between polar and non-polar covalent bonds..

Comparitively stronger forces than Van der Waal's forces exist between molecule..

When compounds are formed from elements whose atoms have different electronegativities, the electrons forming the bonds will have a tendency to be attracted closer to the more electronegative element. In such instances covalent molecules develop some ionic character and are called h..

When diatomic molecules are formed from identical atoms, the electrons forming the bonds are shared equally between the atoms e.g.,H 2 , N 2 , O 2 , Cl 2 etc. Such molecules are termed as non-polar as there is no separation of charges. When compounds are formed between two di..

Polar and Non-Polar Covalent Bonds - Covalent bonds may be non-polar or polar in natu..

Covalent bonds may be non-polar or polar in nature. Non-polar molecule of methane Methane ..

When a covalent bond is formed between two atoms of the same element, the shared electron pair will lie exactly midway between the two atoms i.e. the electrons are equally shared by the atoms. The resulting molecule will be electrically symmetrical i.e., centre of the negative charge coincides wit..

They have equal number of amino and carboxyl groups and are neutral. These amino acids are hydrophobic and have no charge on the 'R' group. The amino acids in this group are alanine, valine, leucine, isoleucine, phenyl alanine, glycine, tryptophan, methionine and proline. ..

Non-polar covalent bond When a covalent bond is formed between two atoms of the same element, the shared electron pair will lie exactly midway between the two atoms i.e. the electrons are equally shared by the atoms. The resulting molecule will be electrically symmetrical i.e., centre..

). HCl is a polar molecule because of the difference in the electronegativity values of hydrogen and chlorine. The greater is the difference in the electronegativity values of the combining atoms, greater is the polar character in the bond so formed. For example, in the series H..