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Chem 2 (2.2 Electrons, Bonding & Structure) > 2.2.1 Electron Structure > Flashcards

2.2.1 Electron Structure Flashcards

1
Q

What do electrons orbit the nucleus in

A

Shells

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2
Q

What shell is closets to nucleus

What’s its energy like

A

1st

Lower energy

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3
Q

What energy like further away from nucleus

A

Higher in energy

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4
Q

What is an orbital

A

A volume of space of defined shape electrons occupy

Shape in which electrons move

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5
Q

What’s the probability of finding the electron in an orbital

A

95%

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6
Q

How many types of orbital does 1st level have

What’s the orbital called

A

1

S orbital

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7
Q

How many types of orbital does 2nd level have

What’s the orbital called

A

2

S & P orbitals

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8
Q

How many types of orbital does 3rd level have

What’s the orbital called

A

3

S, P & D orbitals

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9
Q

How many types of orbital does 4th level have

What’s the orbital called

A

4

S, p, d + f orbitals

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10
Q

What’s maximum electrons each orbital can hold

A

2

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11
Q

How many orbitals are in S sub-shell

How many electrons

A

1

2 electrons

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12
Q

How many orbitals are in p sub-shell

How many electrons

A

3

6 electrons

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13
Q

How many orbitals are in D sub-shell

How many electrons

A

5

10 electrons

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14
Q

How many orbitals are in f sub-shell

How many electrons

A

7

14 electrons

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15
Q

How many electrons in 1st 3 orbitals

A

18

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16
Q

What the shape of s orbital

A

Spherical

17
Q

What are the 2 electrons doing on the s orbital

A

Repelling eachother

18
Q

What shape is p orbital

A

Dumbbell

19
Q

What’s the aufbau principle

A

Lowest energy levels are filled first

20
Q

What’s the anomaly between energy levels that are filled first

A

4s is filled before 3d as it is at a lower energy level

21
Q

What’s the largest electron configuration

A

36Kr

22
Q

What’s Hund’s rule

A

In a set of orbitals of equal energy, the electrons will singly fill up these orbitals before pairing up with the opposite spins

23
Q

What 2 things allow us to find the electronic configuration of all elements

A

Hund’s rule

Aufbau principle

24
Q

What notation is sometimes used for electron configuration

A

Box notation

25
Q

What version of box notation can sometimes be used

A

Shorthand version

26
Q

What groups are in S-block

A

Groups 1+2

27
Q

What groups contain p-block elements

A

Groups 3-8

28
Q

What elements are in d-block

A

Transition metals (between groups 2&3)

29
Q

Why does 3d fill before 4s

A

It’s in lower energy

Chem 2 (2.2 Electrons, Bonding & Structure) (4 decks)

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