Tagged: Excited state

April 24, 2018

Laser rays properties, Spontaneous emission and stimulated emission

Laser amplifies the light intensity by the stimulated emission, There are different applications of laser in life either in the branch of applied science such as medicine, engineering and communication or in the branch...

Chemistry

February 5, 2018

Theories explaining the covalent bond, Octet rule and Overlapped orbitals concept

The concept of the covalent bond developed according to our knowledge of the electron properties, from the theories that explain the formation of the covalent bond are: The electronic theory of valency, The valence...