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Chemistry chp 3

Arrangemens of electrons in the atom

TermDefinition
Quantisation an electron in an atom is restricted to having only certain values or energy levels
an energy level the fixed energy value that an electron in an atom may have
the ground state in the atom the electrons occupy the lowest available energy level
the excited state the electrons occupy higher energy levels than those available in the ground state
The difference in energy between two energy levels - equation E2-E1=hf
emission line spectrum a series of narrow lines
spectrometer instruments used to study the emission line spectrum
lithium crimson
potassium lilac
copper blue-green
sodium yellow
PIR Paschen infa red
LUV Lyman Ultra Violet
AAS Atomic Absorption Spectrometry
Heinsenbergs' Uncertainty Principle It is impossible to measure at the same time both the velocity and the position of an electron
Orbital a region in space within which there is a high probability of finding an electron
sublevel a subdivision of a main energy level and consists of one or more orbitals of the same energy
Created by: AmyOConnell
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