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Unit 3 by Mind Map: Unit 3
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Unit 3

Quantum Model/Mechanics


Smallest measureable unit

Primary Q.N.

tells which energy level an e- is found in

has to be whole numbers

represented by n

Azimuthal Q.N.

refers to subshell"shape-type"

the range is from 0-n

represented by l

Magnetic Location

specifies the exact orbital by orientation if the subshell

ranges from -l to l

represented by m sub l


is when an atom gains either a positive or negative charge

Periodic Trends

electron affinity increases to the right and up

ionization energy increases to the right and up

atomic radius decreases up and right

Schrodinger's Cat

observation or measurement itself affects an outcome, so that the outcome as such does not exist unless the measurement is made.

Hersenberg's Uncertainty Principle

we cannot know both location and speed simultaneously

Physical Properties & Changes

can be observed or measured without changing the composition of matter.

objects undergo a change that does not change their chemical nature


Atoms of the same element with different numbers of neutrons


the change of one chemical element into another

Valence e-

outermost electrons of an atom

e- configuration/abb conf

how electrons would be organized in an atom

Chemical Properties & Changes

substances are changed into different substances

release or gain of energy by an object.