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Energy levels and sub-levelsEnergy levels and sub-levels
A
Creative Chemistry
PowerPoint Presentation
By Nigel Saunders
Copyright © 2003 Nigel Saunders, all rights reserved
Permission is granted for personal and educational use only. Commercial copying, hiring, lending is prohibited.
Energy levels and sub-levelsEnergy levels and sub-levels
Energy levels
• These are broadly similar to the “shells” used in GCSE Chemistry
• You need to know about energy levels 1, 2, 3 and 4 at A Level
Energy level 1 is lowest in energy and closest to the nucleus
Energy levels and sub-levelsEnergy levels and sub-levels
Sub-levels
• The main energy levels contain sub-levels
• The different main energy levels have different sub-levels in them
There are four types: s, p, d, f
Energy levels and sub-levelsEnergy levels and sub-levels
Main energy level
Sub-levelsMax. no. of
electron pairs in sub-level
Max. no. of electrons in
sub-level
Max. no. of electrons in main level
Energy levels and sub-levelsEnergy levels and sub-levels
Main energy level
Sub-levelsMax. no. of
electron pairs in sub-level
Max. no. of electrons in
sub-level
Max. no. of electrons in main level
1
Energy levels and sub-levelsEnergy levels and sub-levels
Main energy level
Sub-levelsMax. no. of
electron pairs in sub-level
Max. no. of electrons in
sub-level
Max. no. of electrons in main level
1 s
Energy levels and sub-levelsEnergy levels and sub-levels
Main energy level
Sub-levelsMax. no. of
electron pairs in sub-level
Max. no. of electrons in
sub-level
Max. no. of electrons in main level
1 s 1
Energy levels and sub-levelsEnergy levels and sub-levels
Main energy level
Sub-levelsMax. no. of
electron pairs in sub-level
Max. no. of electrons in
sub-level
Max. no. of electrons in main level
1 s 1 2
Energy levels and sub-levelsEnergy levels and sub-levels
Main energy level
Sub-levelsMax. no. of
electron pairs in sub-level
Max. no. of electrons in
sub-level
Max. no. of electrons in main level
1 s 1 2 2
Energy levels and sub-levelsEnergy levels and sub-levels
Main energy level
Sub-levelsMax. no. of
electron pairs in sub-level
Max. no. of electrons in
sub-level
Max. no. of electrons in main level
1 s 1 2 2
2
Energy levels and sub-levelsEnergy levels and sub-levels
Main energy level
Sub-levelsMax. no. of
electron pairs in sub-level
Max. no. of electrons in
sub-level
Max. no. of electrons in main level
1 s 1 2 2
2s 1 2
Energy levels and sub-levelsEnergy levels and sub-levels
Main energy level
Sub-levelsMax. no. of
electron pairs in sub-level
Max. no. of electrons in
sub-level
Max. no. of electrons in main level
1 s 1 2 2
2s 1 2
p
Energy levels and sub-levelsEnergy levels and sub-levels
Main energy level
Sub-levelsMax. no. of
electron pairs in sub-level
Max. no. of electrons in
sub-level
Max. no. of electrons in main level
1 s 1 2 2
2s 1 2
p 3
Energy levels and sub-levelsEnergy levels and sub-levels
Main energy level
Sub-levelsMax. no. of
electron pairs in sub-level
Max. no. of electrons in
sub-level
Max. no. of electrons in main level
1 s 1 2 2
2s 1 2
p 3 6
Energy levels and sub-levelsEnergy levels and sub-levels
Main energy level
Sub-levelsMax. no. of
electron pairs in sub-level
Max. no. of electrons in
sub-level
Max. no. of electrons in main level
1 s 1 2 2
2s 1 2
8p 3 6
Energy levels and sub-levelsEnergy levels and sub-levels
Main energy level
Sub-levelsMax. no. of
electron pairs in sub-level
Max. no. of electrons in
sub-level
Max. no. of electrons in main level
1 s 1 2 2
2s 1 2
8p 3 6
3
Energy levels and sub-levelsEnergy levels and sub-levels
Main energy level
Sub-levelsMax. no. of
electron pairs in sub-level
Max. no. of electrons in
sub-level
Max. no. of electrons in main level
1 s 1 2 2
2s 1 2
8p 3 6
3
s 1 2
p 3 6
Energy levels and sub-levelsEnergy levels and sub-levels
Main energy level
Sub-levelsMax. no. of
electron pairs in sub-level
Max. no. of electrons in
sub-level
Max. no. of electrons in main level
1 s 1 2 2
2s 1 2
8p 3 6
3
s 1 2
p 3 6
d
Energy levels and sub-levelsEnergy levels and sub-levels
Main energy level
Sub-levelsMax. no. of
electron pairs in sub-level
Max. no. of electrons in
sub-level
Max. no. of electrons in main level
1 s 1 2 2
2s 1 2
8p 3 6
3
s 1 2
p 3 6
d 5
Energy levels and sub-levelsEnergy levels and sub-levels
Main energy level
Sub-levelsMax. no. of
electron pairs in sub-level
Max. no. of electrons in
sub-level
Max. no. of electrons in main level
1 s 1 2 2
2s 1 2
8p 3 6
3
s 1 2
p 3 6
d 5 10
Energy levels and sub-levelsEnergy levels and sub-levels
Main energy level
Sub-levelsMax. no. of
electron pairs in sub-level
Max. no. of electrons in
sub-level
Max. no. of electrons in main level
1 s 1 2 2
2s 1 2
8p 3 6
3
s 1 2
18p 3 6
d 5 10
Energy levels and sub-levelsEnergy levels and sub-levels
Main energy level
Sub-levelsMax. no. of
electron pairs in sub-level
Max. no. of electrons in
sub-level
Max. no. of electrons in main level
1 s 1 2 2
2s 1 2
8p 3 6
3
s 1 2
18p 3 6
d 5 10
4
Energy levels and sub-levelsEnergy levels and sub-levels
Main energy level
Sub-levelsMax. no. of
electron pairs in sub-level
Max. no. of electrons in
sub-level
Max. no. of electrons in main level
1 s 1 2 2
2s 1 2
8p 3 6
3
s 1 2
18p 3 6
d 5 10
4
s 1 2
p 3 6
d 5 10
Energy levels and sub-levelsEnergy levels and sub-levels
Main energy level
Sub-levelsMax. no. of
electron pairs in sub-level
Max. no. of electrons in
sub-level
Max. no. of electrons in main level
1 s 1 2 2
2s 1 2
8p 3 6
3
s 1 2
18p 3 6
d 5 10
4
s 1 2
p 3 6
d 5 10
f
Energy levels and sub-levelsEnergy levels and sub-levels
Main energy level
Sub-levelsMax. no. of
electron pairs in sub-level
Max. no. of electrons in
sub-level
Max. no. of electrons in main level
1 s 1 2 2
2s 1 2
8p 3 6
3
s 1 2
18p 3 6
d 5 10
4
s 1 2
p 3 6
d 5 10
f 7
Energy levels and sub-levelsEnergy levels and sub-levels
Main energy level
Sub-levelsMax. no. of
electron pairs in sub-level
Max. no. of electrons in
sub-level
Max. no. of electrons in main level
1 s 1 2 2
2s 1 2
8p 3 6
3
s 1 2
18p 3 6
d 5 10
4
s 1 2
p 3 6
d 5 10
f 7 14
Energy levels and sub-levelsEnergy levels and sub-levels
Main energy level
Sub-levelsMax. no. of
electron pairs in sub-level
Max. no. of electrons in
sub-level
Max. no. of electrons in main level
1 s 1 2 2
2s 1 2
8p 3 6
3
s 1 2
18p 3 6
d 5 10
4
s 1 2
32p 3 6
d 5 10
f 7 14
