week 1, concept 5: Electron configuration (matter and atoms) Flashcards

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1
Q
A

concept 5 :

electron configuration

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2
Q
A
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3
Q

Electron configuration:

A

The arrangement of electrons in the extranuclear space.

The energy of electrons in an atom is quantized, which means that an electron in an atom can have only certain allowed energies.

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4
Q

Ground-state electron configuration:

A

The electron configuration of the lowest energy state of an atom.

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5
Q

distribution of electrons in shells

(visual)

A
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6
Q

distribution of orbitals within shells

(visual)

A
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7
Q

Shells fill in the order of increasing _ from _ to _.

A

Shells fill in the order of increasing energy from lowest to highest.

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8
Q

Valence shell:

A

The outermost incomplete shell.

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9
Q

Valence electron:

A

An electron in the valence shell.

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10
Q

Lewis dot structure:

A

The symbol of the element represents the nucleus and filled shells.

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11
Q

(visual)

Noble gas notation and lewis dot structure for alkali metals (group 1A elements)

A
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12
Q

(visual)
electron configuration and the periodic table

A
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13
Q

shells have _number of maxium _ (can have less but not more)

A

shells have fixed number of maxium electrons (can have less but not more)

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14
Q

orbitals are shown divided into _

A

boxes

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15
Q

can have this many electrons

s = _, p = _, d=_, f=_

A

s=2 , p=6, d=10, f=4

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16
Q

orbital:

A

patterns of electron density

17
Q

everything to do with an atom has to do with the _ shell

A

last

18
Q

the last shell is the _ shell

A

valance

19
Q

valance shells, are the shell that take part in _

A

bonding

20
Q
A