chapter 7 Flashcards

1
Q

paulis exclusions principle

A

no two electrons have the exact same set

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2
Q

what are he 4 quantum numbers

A

n, l, ml, ms

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3
Q

what is the principal quantum “n” stand for

A

determines energy level and size (1,2,3,…)

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4
Q

what is the angular momentum quantum # (l)

A

determines shape (0,1,2, n-1)

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5
Q

what is the magnetic quantum # (ml)

A

determines “orientation”; (-l,…, l)

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6
Q

what is the magnetic spin quantum # (ms)

A

only 2 values up or down determines spin (-1/2, 1/2)

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7
Q

what are valence electrons

A

those in the highest n orbitals

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8
Q

what are core electrons

A

all the electrons besides the valence electrons

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9
Q

how is reactivity determined

A

by valence electrons

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10
Q

what is the atomic radii trend

A

as you go down and to the left it gets larger

up and toward fluorine is smallest

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11
Q

what does higher n mean

A

larger orbitals

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12
Q

effective nuclear charge formula

A

Zeff= Z-core

Z is nuclear charge

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13
Q

ionization energy trend

A

increases moving upward and right toward fluorine

opposite of atomic radii

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14
Q

what is electron affinity

A

change in energy when gaining an e-

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