the length of one complete wave
number of waves that pass a point during a certain time period
distance from the origin to the trough or crest
Frequency and wavelength are. .
light has properties of both waves and particles
particle of light that carries a quantum of energy (zero mass)
Bohrs calculation only worked with. .
Impossible to know both the ____ and ____ of an electron at the same time. Which is?
velocity and position; Heisenberg Uncertainty Principle
Principal Quantum Number
(n) Energy level, dictates the size of the orbital, # or orbitals in the energy level (n^2)
Angular Momentum Quantum Number
(l) Energy sub-level, shape of the orbital
Magnetic Quantum Number
(m) orientation of Orbital
s=1 p=3 d=5 f=7
Spin Quantum Number
(ms) electron spin(+1/2, -1/2), an orbital can hold 2 electrons that spin in opposite directions
No two electrons in an atom can have the same. .
4 Quantum Numbers (Specific Address)
an electron occupies the lowest energy orbital can receive it
Pauli Exclusion Principle
No two electrons in the same atom can have the same set of four quantum numbers
Orbitals of equal energy are each occupied by one electron before any orbital is occupied by a second electron.
Total Number of Orbitals in a main energy level
Total Number of Orbitals that exist in the shell
outer main energy level occupied in most cases by 8 electrons
(+) lose electron
(-) gain electron