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Chapter 5
Perodic Table
14
Chemistry
11th Grade
01/11/2012

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Cards

Term
Degenerate
Definition
Have the same energy
Term
Electron Cloud
Definition
The space effectively occupied by an atom
Term
Heisenberg Uncertanity Principle
Definition
It is impossible to know exactaly both the position and momentum of an electron at the same instant
Term
Lewis Dot Diagram
Definition
the representaion of an atom, ion or molecule in which an element symbol stands for the nucleus and all inner level electrons while dots stand for the out level electrons
Term
Momentum
Definition
the product of mass and acceleeration
Term
Newtonian Mechanics
Definition
the laws of mechanics applicable in the macroscopic world
Term
Orbital
Definition
the space that can be occupied by 0, 1 or 2 electrons with the same energy level, energy sublevel, and spatial orientaion
Term
Pauli exclusion principle
Definition
no two electrons in an atom can have the same st of quantum numbers
Term
Principal quantum number
Definition
the quantum number designating the energy level and the cloud size
Term
Probability
Definition
mathematical expression of "chance" or odds
Term
Quantum mechanics
Definition
the laws of mechanics concerning the interaction of matter and radiation at the atomic and subatomic level
Term
Quantum number
Definition
a number describing a property of an electron in an atom
Term
sublevel energy
Definition
subdivison of an energy level
Term
wave particle duality of nature
Definition
all particles have wave like properties and particle like properties
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