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Electons <3 Orbitals
Vocab!
Principles
Quantum Numbers
Reading and Writing Electron Configurations
100
Maximum number of electrons in one orbital
What is 2?
100
Principal quantum number
What is n?
100
1s2
What is Helium (He)?
200
The outermost shell or orbital of an atom
What is valence shell?
200
Energy levels are split due to differing energy.
What are sublevels?
200
It is not possible to know both the position and momentum of a moving particle at the same time. (Chapter 7)
What is Heisenberg's Uncertainty Principle?
200
Integers from -l --> +l
What are the possible values of m sub l?
200
1s2 2s2 2p6 3s2 3p3
What is Phosphorus (P)?
300
nl# Ex. 1s2 2s2 2p6
What is electron configuration?
300
No two electrons in the same atom can have the same four quantum numbers.
What is Pauli's exclusion principle?
300
l=3
What is f?
300
[Ar]4s2 3d10 4p3
What is Aresenic (As)?
400
The wave function of an electron in an atom or molecule, indicating the electron's probable location.
What is an orbital?
400
Each orbital may contain a maximum of 2 electrons, which must have opposite spins.
What is the exclusion principle?
400
Direction of e- spin
What property does m sub s tell us?
400
Flourine
What is 1s2 2s2 2p5?
500
The effect of electron repulsions on the sublevel energy.
What is shielding? (or screening)
500
Principle states that electrons are always placed in the lowest energy sublevel available.
What is the aufbau principle?
500
m sub s (name and values need to be included in question)
What is magnetic spin with possible values of +1/2 and -1/2?
500
Cesium
What is [Xe]6s1?