![]() ![]() You shouldīe able to identify both ground and excited state electron configurations.Įxample 1 : What is the ground state electronĪnswer : Carbon is the 6th element in the periodic table, hence the atomic number Z = 6, and therefore has 6 electrons. Carbon is the sixth element in the periodic table with a total of 6 electrons. You should be familiar with how to determine an electronĬonfiguration for an atom and identify the valence electrons. Electron configurations are determined using the periodic table. the electrons which travel furthest away from the nucleus) and the highestĬore electrons are electrons that under 'normal'Īre chemically inert and are in the completely filled inner energy levels. 1 For example, the electron configuration of the neon atom is 1s2 2s2 2p6, meaning that the 1s, 2s and 2p subshells are occupied by 2. Valence electrons are the electrons utilised for bonding. In atomic physics and quantum chemistry, the electron configuration is the distribution of electrons of an atom or molecule (or other physical structure) in atomic or molecular orbitals. An excited state configuration is a higher energy arrangement (it requires energy input to create an excited state). The ground state of carbon atom is a triplet 3P state and its low-lying excited states are singlet 1D, 1S, and 1P states, more stable than the corresponding. ![]()
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