Wednesday, 26 September 2012

Organic Chemistry Online Help – Molecular orbital theory

A molecule is known as a combination of two or more atoms. In combination, when two atoms form a molecule, the energy of the new entity is lesser than the sum of the energies of the isolated atoms. According to Organic Chemistry Online Help In some case the atoms constituting a molecule are same, they form the homonuclear molecules and examples are molecules of various elements, like Hz, N2 and 02.

In some other cases, Chemistry Assignment Help explain that when the atoms constituting a molecule are of different elements, they form heteronuclear molecules; examples of these molecules of compounds, like HCI and H20.  Complexities of different category exist in nature including the simple ones like C02, SO2, CH,, NH3 and the complex molecules like proteins and carbohydrates. In spite of all difference they are built up from the atoms to certain natural laws.

The molecular orbital theory which deals with the formation of the molecules from the atoms from a different angles. For example Consider a system in which the nuclus of different atoms are in their equilibrium positions and the electrons occupy the molecular orbitals. These molecular orbitals are very similar to atomic orbitals. The process for constructing the orbitals is given this theory.

The molecular orbital will be also polynuclear it will be associated with all the nucleus present in the molecule and the wave function for the rnoleculer orbital will have the same importance that it has for the atom is proportional to .the probability of finding the electron in a given volume Each electron is placed, according to Chemistry Assignment Help,in a separate molecular energy level or orbital which is determined by various quantum numbers.

Chemistry assignment help is very essential in solving assignment for higher grades. And also for better understanding of complex concepts of chemistry.  Expert Online tutors are always available to solve assignment and provide assistance in understanding of subjects

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