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Vocabulary Week 2
Electrons More Again
24
Chemistry
10th Grade
10/18/2012

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Cards

Term
Atomic Emission Spectrum
Definition
The pattern formed when light from an element passes through a prism by separating the frequencies
Term
Electromagnetic Radiation
Definition
All types of electromagnetic waves including radio waves, infrared waves, visible light,  ultraviolet light waves, x-rays, and gamma rays
Term
Wavelength
Definition
Distance between crests of a wave, λ, units are m
Term
Frequency
Definition
Number of wave cycles, ν, units per seconds or S-1 or Hz(Hertz)
Term
c
Definition
The Speed of light, 2.998 X 108 m/s
Term
c
Definition

 

 = λν (This is the equation to find wavelength or frequency)

 

Term
Spectrum
Definition
All the colors of the Rainbow
Term
Ground State
Definition
Lowest possible energy level an electron can be in
Term
Photons
Definition
Packets or 'quantu' of light
Term
Electron Configurations
Definition
The arrangements of electrons into orbitals
Term
Energy Levels
Definition
The specific energy levels an electron in an atom can have
Term
Ion
Definition
An atom/group of atoms with a positive or negative charge
Term
Cation
Definition
An ion with a positive charge
Term
Anion
Definition
An ion with a negative charge
Term
Atomic Orbitals
Definition
a region in space in which there is a high probability of finding an electron
Term
Quantum Numbers
Definition
Coordinates used to describe the orbitals where electrons can be found
Term
n
Definition
Principle Quantum Number, describes energy level, cant = 0, can equal any other integer, ex: 1, 2, 3, 4, etc.
Term
l
Definition
Angular Quantum Number, describes sub shell, can be an integer between 0 and n - 1 , ex: if n = 3, then l = 0, 1, 2.
Term
ml
Definition
Magnetic Quantum Number, describes the specific orbital or 'cloud' with the sub shell, can be an integer between -1 and +1, ex: if n = 3, then l = -2, -1, 0, 1, 2.
Term
ms
Definition
Describes the spin, can only be spin or opposite spin, ms = +½ or -½
Term
Sublevel
Definition
Sections electron can occup, s, p, d, f
Term
Aufbau Principle
Definition
Electrons occupy the orbital of lowest energy first
Term
Pauli Exclusion Principle
Definition
Two electrons per orbital
Term
Hund's Rule
Definition
Electrons don't pair up until they have to
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