Electron configuration/shells Flashcards

1
Q

how many electrons can each shell hold

A

2n(2)

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2
Q

what is an orbital

A

3D region of space around the nucleus

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3
Q

what are the 4 different sub-shells

A

s, p, d + f

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4
Q

what shape is an s sub-shell

A

spherical shape

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5
Q

how many electrons can a s sub-shell hold

A

2

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6
Q

how many orbitals in a s sub-shell

A

1

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7
Q

what shape is an p sub-shell

A

dumb bell shape

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8
Q

how many electrons can a p sub-shell hold

A

6

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9
Q

how many electrons can a d sub-shell hold

A

10

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10
Q

how many electrons can a f sub-shell hold

A

14

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11
Q

how many orbitals in a p sub-shell

A

3

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12
Q

how many orbitals in a d sub-shell

A

5

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13
Q

how many orbitals in a f sub-shell

A

7

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14
Q

what sub-shells are in the first shell

A

s

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15
Q

what sub-shells are in the second shell

A

s +p

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16
Q

what sub-shells are in the third shell

A

s, p + d

17
Q

what sub-shells are in the fourth shell

A

s, p, d + f

18
Q

what order do electrons fill the shells

A

1-2-3-4

s-p-d-f

19
Q

what is the exception to how electrons fill shells

A

4s fills before 3d

20
Q

what kind of spins can electrons have

A

an up or down spin

21
Q

in a box can electrons have the same spin

A

no

22
Q

how are electron orbitals filled up

A

singly before they’re filled doubly