More about the electron arrangements in atoms Flashcards

1
Q

Electrons in different shells have a different amount of…

A

Energy

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2
Q

The main energy levels are divided into what?

A

Sub-levels

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3
Q

The sub-levels all have slightly different…

A

Energies

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4
Q

What are the 4 sub-levels?

A

S,p,d and f

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5
Q

The electron is no longer considered to be a partical but rather a…

A

Cloud of atomic charge

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6
Q

An electron fills a volume in space which is called?

A

Its atomic orbital

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7
Q

What do the shapes of the atomic orbitals represent?

A

A 95% chance of finding an electron

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8
Q

what orbitals does the 1st main energy level have?

A

One s orbital

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9
Q

What orbitals does the 2nd main energy level have?

A

One s orbital and three p orbitals

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10
Q

What orbitals does the 3rd main energy level have

A

One s orbital, three p orbitals and 5 d orbitals

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11
Q

How many electrons can a single atomic orbital hold?

A

2 maximum

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12
Q

p orbitals always come in groups of…

A

3

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13
Q

d orbitals always come in groups of…

A

5

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14
Q

f orbitals always come in groups of…

A

7

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15
Q

The sub-levels are divided into what?

A

Orbitals

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16
Q

How many electrons are there in an s sub-level?

17
Q

How many electrons are there in a p sub-level?

18
Q

How many electron she are there in a d sub level?

19
Q

How many electrons are there in an f sub-level?

20
Q

Draw out a diagram for the number of electrons in each levels and sub levels

A

Check page 15

21
Q

what is spin?

A

Electrons have a property called spin

22
Q

do two electrons in the same orbital spin the same way or different ways?

A

Different ways

23
Q

How can you represent the different electron spin?

A

By showing arrows pointing up and down

24
Q

Why do atomic orbitals fill singly before pairing starts?

A

Because electrons repel each other.

25
What are the 3 rules for allocating electrons to atomic orbitals?
Atomic orbitals of lower energy are filled first Atomic orbitals of the same energy level fill singly before pairing starts. Atomic orbitals can hold no more than two electrons
26
The f orbital is introduced after which element?
Vanadium