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1.1 Chemistry > Orbitals > Flashcards

Orbitals Flashcards

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1
Q

What does n indicate?

A

n is the principal quantum number and it represents an energy level

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2
Q

What does Bohr’s model indicate?

A

It states that electrons can only move between orbits, never moving halfway

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3
Q

Why do electrons repel each other?

A

Due to their negative charge

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4
Q

What happens to the size of orbits as n increases?

A

Orbits (shells) get larger as n increases

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5
Q

What happens to the energy of the electrons as n increases?

A

The energy of the electrons increases

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6
Q

List the first four sublevels.

A

s, p, d, f

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7
Q

How many sublevels are in n=1 and what are they called

A

There is only the s sublevel

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8
Q

How many sublevels are in n=2 and what are they called?

A

There is the s and p levels

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9
Q

How many sublevels are in n=3 and what are they called?

A

There is the s, p and d levels

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10
Q

How many sublevels are in n=4 and what are they called?

A

There is the s, p, d and f sublevel

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11
Q

How many electrons can s hold?

A

Up to 2 electrons

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12
Q

How many electrons can p hold?

A

Up to 6 electrons

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13
Q

How many electrons can d hold?

A

Up to 10 electrons

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14
Q

How many electrons can f hold?

A

Up to 14 electrons

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15
Q

Describe the energy difference in each sublevel.

2

A

S is the smallest subshell and has the lowest energy

F is the largest subshell and has the highest energy

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16
Q

What is an orbital?

A

The region in space where there is a high probability of finding an electron with a given energy

17
Q

What does n mean?

A

The principle quantum number

18
Q

What does the principle quantum number describe?

A

The size of the orbital the electron is in

19
Q

What does I mean?

A

The orbital quantum number

20
Q

What does the orbital quantum number describe?

A

The shape of the orbital

21
Q

What does m(I) mean?

A

The magnetic quantum number

22
Q

What does the magnetic quantum number mean?

A

The orientation of the orbital in space

23
Q

What does m(s) mean?

A

The electron spin number

24
Q

What does the electron spin number indicate?

A

The direction that the electron spins on its own axis

25
Q

How many p orbitals are there?

A

3

26
Q

What are the 3 p orbitals?

A

x, y, z

27
Q

How many d orbitals are there?

A

Five

28
Q

What does the Pauli exclusion principle state?

A

That an atomic orbital can hold a maximum of two electrons which must have opposite spin

29
Q

What is the Aufbau Rule?

A

Electrons occupy the lowest energy orbitals available

30
Q

What is Hunds Rule?

A

Each orbital in a sublevel is occupied by a single electron before a second electron enters

1.1 Chemistry (19 decks)

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