n=4, 4 th energy level (N shell) has 4 sublevels (s, p, d and f).n=3, 3 rd energy level (M shell) has 3 sublevels (s, p and d).n=2, 2 nd energy level (L shell) has 2 sublevels (s and p).n=1, 1 st energy level (K shell) has only one sublevel (s).You should also be aware that each energy level (or shell) is further divided into energy sub-levels (or sub-shells). We can use this to write the simple electron configuration of an atom just by noting how many electrons are occupying each energy level (or shell).Ģ electrons in the 1 st energy level (n=1, K shell)ĥ electrons in the second energy level (n=2, L shell) n=4 the fourth energy level and is designated the N shell.n=3 is the third energy level and is designated the M shell.
n=2 is the second energy level and is designated the L shell.n=1 is the first energy level and is designated the K shell.The principal quantum number, n, tells us the energy level (or electron shell) that the electron is found in. You should already be familiar with the Bohr Model of the Atom which states that electrons exist in discrete energy levels (or electron shells).
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No ads = no money for us = no free stuff for you! Understanding and Drawing Orbital Diagrams
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