Section 2: Atomic Numbers and Electron Configuration – Flashcards
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Which characteristic is given by the angular momentum quantum number?
answer
Orbit shape
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To show the electron configuration for an atom, when would it be better to use an orbital notation than to use a written configuration with numbers, letters, and superscripts?
answer
when the aim is to show electron spins
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An atom of an element is shown by the model:
How is this useful?
answer
It shows how electrons are distributed in the shells of an iron atom.
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How many electrons can the n=4 shell hold?
answer
32
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Consider the model of the nitrogen atom.
(P-7)
(n-7)
Which electron configuration matches this model?
answer
1s2'2s2'2p3'
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Which is the electron configuration for bromine?
answer
1s2'2s2'2p6'3s2'3p6'3d10'4s2'4p5'
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What is the electron configuration for boron?
answer
1s2'2s2'2p1'
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Which is the electron configuration for lithium?
answer
1s2'2s1
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Which is the electron configuration for zinc?
answer
1s2'2s2'2p6'3s2'3p6'3d10'4s7'
