structure of atom

The contributing structures should: Have the same atomic positions. Posses the same number of unpaired electrons. Have nearly the same energy. Written in a way that negative charge is present on an electronegative atom and positive charge is present on an e..

X-ray studies show that a Benzene molecule is a flat (planar) molecule. All carbon and hydrogen atoms lie in the same plane. It has a regular hexagon structure with all six carbon atoms lying at the corners; each carbon atom is bonded to three other ..

Structure of the Carbonyl Group - The aldehydes and ketones have carbonyl group as the functional group. The carbonyl carbon sp 2 hybridized and thus has three sp 2 hybrid orbitals and one unhybridized p-orbital. It uses sp 2 hybrid orbitals to form three s -bonds one with oxygen ato..

Ethyne (acetylene) can be described by the molecular formula C 2 H 2 . As each carbon atom in this molecule has two points of attachments, each carbon atoms in ethyne (acetylene) is sp hybridized. sp hybridization of carbon orbitals The two 'sp' hybrid orbitals are oriented..

In alcohol, the oxygen of the -OH group is attached to sp 3 hybridized carbon by a sigma ( s ) bond formed by the overlap of sp 3 hybrid orbital of carbon with an sp 3 hybrid orbital of oxygen. in alcohols is slightly less than the tetrahedral angle (109 o 28') In phenols the -OH group is attached ..

In view of new discoveries about atoms, Dalton's atomic theory was modified as given below: * Atom is no longer indivisible as it has a complex structure of sub atomic particles (electrons, protons and neutrons). * Atoms of..

Single electron atoms - The relative energies of various orbitals of single electrons depend on the value of the principal quantum number 'n' and is independent of the value of 'l'. This can be shown by an arrangement known as energy level diagram. The diagram given below illustrates the ..

Modern Atomic Theory - In view of new discoveries about atoms, Dalton's atomic theory was modified as given below: Atom is no longer indivisible as it has a complex structure of sub atomic particles (electrons, protons and neutrons). ..

Introduction - In the nineteenth century scientists saw enough evidence to prove that each element has its distinctive atom. But all tem atoms contain identical electrons. In spite of the fact that electrons carry negative charge, atoms as whole were found to be neutra..