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Chemistry GSDS Ch4

arrangement of electrons is Atoms

specify the property of atomic orbitals and the property of electrons in orbitals Quantum Numbers
Three locations in a Electron Cloud Shell, Subshell, Orbital
(n) shell
principle quantum number shell
indicates the main energy level occuplied be the electron shell
As "n" increase so does what? the energy and distance from the nucleus
the total number of orbitals that exist in a given shell is equal to what? n2 (squared)
s, p, d, f subshell
refers to the shape of the orbital subshell
refers to the relative energy of the subshell s,p,d,f
each orbital can hold how many electrons? 2
why are they paired (electrons)? to have lower energy
indicates the two fundamental spin states of an electron in an orbital spin quantum number
can be positive or negative 1/2- up or down electron spin
electrons in orbitals must have what kind of spin? opposite
the arrangment of electrons in an atom electron configuration
electron configurations tell us in which orbitals the electrons for an element are located very specific
assume lowest possible energy arrangement ground state configuration
an electron occupies lowest energy orbital that can receive it- Principle Aufbau Principal
orbitals with lowest energy are first- Principle Aufbau Principal
no two electrons in the same aton have the same set of quantum numbers- Principle Pauli Exclusion Principal
orbitals of equal energy are each occupied by one electron before any obital is occupied by a second electron- Principle Hund's Rule
all electrons in singly occupied orbitals must have the same spin- Principle Hund's Rule
electron-electron repulsion is minium lowest energy arrangement
what is a shorthand method of writing the location of electrons by sublevel electron configuration
what states the electrons fill into orbitals in order of increasing energy Aufbau Principal
the electron containing main energy level with the highest principal quantum number (n) highest occupied level
electrons that are not the highest occupied energy level inner-shell electrons
electrons that are not spin-paired unpaired electrons
Created by: cabystyers



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