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Electronic Configura

QuestionAnswer
What is an electronic configuration the arrangement of electrons in an atom
what is a continuous spectra band of colours produced when light is separated into its components (They have different degrees of refraction)
What is line emission spectra occurs when a tube of hydrogen gas has electric current pass through it is separated into its components
what is an energy level fixed energy value that electron in an atom may have
what is ground state is the state in which electrons occupy the lowest energy level possible
what is the excited state its the state in which electrons occupy the higher energy level than those available in the ground state
what is a photon photon energy is the energy of a single photon which proportional to frequency of a photon
what is the frequency of a photon is defined as how many waves pass a certain point per second
How do line emission spectra arise? 1)Electron occupy the ground state 2)Energy is adsorbed and electrons jumps to higher energy level 3)excited state but is unstable dropping to a lower energy level emitting a photon
Summary of Bohr theory The higher the photon frequency -> the higher the energy -> the shorter the wavelength) The lower the photon frequency -> the lower the energy -> the longer the wavelength
Explain the Lyman,Balmer and paschen series When electron falls to n = 1 level gives UV Range –Lyman Series n = 2 level gives Visible Range - Balmer Series n = 3,4 or 5 levels gives IR Range – Paschen Series
what is the aufbau principle when building up the electron configuration of an atom in its ground state,the electrons occupy the lowest energy level
what is pauli's exclusion principle states that no more than 2 electrons may occupy an orbital and they must have opposite spin
What is hund's rule of maximum multiplicity when 2 or more orbitals of equal energy are available the electrons occupy them singly before filling in pairs
Created by: jp123456789
 

 



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