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In three of the d orbitals, the lobes of electron density are oriented between the x and y, x and z, and y and z planes; these orbitals are referred to as the \(3d_{xy}\), \)3d_{xz}\), and \(3d_{yz}\) orbitals, respectively.
- 9.4: The Quantum-Mechanical Model of an Atom
Understand the general idea of the quantum mechanical...
- 9.4: The Quantum-Mechanical Model of an Atom
The electron orbital simulator (EOS) is a Unity program that serves as a visual aid for learning the structure of the atom. On the left is a 3D model of the atom selected in the periodic table. Using the dropdown, you may view a simplified model of it's electron cloud or a 3D representation of the bohr model.
Understand the general idea of the quantum mechanical description of electrons in an atom, and that it uses the notion of three-dimensional wave functions, or orbitals, that define the distribution of probability to find an electron in a particular part of space
Understand the general idea of the quantum mechanical description of electrons in orbitals; Relate the 3D shape of an orbital and how electrons are arranged within the atom to the radial distribution function; List and describe traits of the four quantum numbers that describe orbitals and specify the location of an electron in an atom
Quantum Numbers. Each orbital is identified and characterized by three quantum numbers: n, l, and m. Principal Quantum Number, n. The principal quantum number describes the size of the orbital and may have the value of any positive (nonzero) integer.
Understand the general idea of the quantum mechanical description of electrons in an atom, and that it uses the notion of three-dimensional wave functions, or orbitals, that define the distribution of probability to find an electron in a particular part of space
Click the images to see the various 3d orbitals. Nodal planes and one of the two nodal cones for dz 2, where there is no electron density, are displayed after a short delay. There are a total of five d orbitals and each orbital can hold two electrons.
