Electron Sublevels & Orbitals

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Presentation Description

This lesson describes the various sublevel types and the orbitals held by each sublevel.

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Electron “Clouds”:

Electron “Clouds” Electron orbits the nucleus Passes through “points of highest probability” most often Orbiting at high speeds Electrons appear to form clouds ? ? ? ?

Energy Sublevels:

Energy Sublevels Describes the sublevels within each energy level vels in a main level = n Lowest sublevel  s Second sublevel  p Third sublevel  d Fourth sublevel  f

Orbitals:

Orbitals “s” sublevel can hold 1 pair of electrons (2) “p” sublevel can hold 3 pair of electrons (6) “d” sublevel can hold 5 pair of electrons (10) “f” sublevel can hold 7 pair of electrons (14) The space occupied by one pair of electrons is called an orbital

Sizes, Shapes & Orientation of the Orbitals:

Sizes, Shapes & Orientation of the Orbitals Factors affecting shape and size: Size of “n” Electron repulsion s p s  spherical p dumbbell shaped (on each axis) d  dumbbell shaped (in between axes)