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Lanthanides
Actinides
Periodic Table Of Elements Showing Electron Shells
1
2
3
4
5
6
7
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
Period
Group
2,8,9,2
21: Scandium
Sc
23: Vanadium
2,8,11,2
V
24: Chromium
2,8,13,1
Cr
26: Iron
2,8,14,2
Fe
27: Cobalt
2,8,15,2
Co
28: Nickel
2,8,16,2
Ni
29: Copper
2,8,18,1
Cu
30: Zinc
2,8,18,2
Zn
31: Gallium
2,8,18,3
Ga
32: Germanium
2,8,18,4
Ge
33: Arsenic
2,8,18,5
As
34: Selenium
2,8,18,6
Se
35: Bromine
2,8,18,7
Br
36: Krypton
2,8,18,8
Kr
H
1: Hydrogen
1
3: Lithium
Li
2,1
19: Potassium
K
2,8,8,1
11: Sodium
Na
2,8,1
4: Beryllium
Be
2,2
20: Calcium
Ca
2,8,8,2
12: Magnesium
Mg
2,8,2
2: Helium
He
2
10: Neon
Ne
2,8
18: Argon
Ar
2,8,8
9: Fluorine
F
2,7
17: Chlorine
Cl
2,8,7
16: Sulfur
S
2,8,6
8: Oxygen
O
2,6
7: Nitrogen
N
2,5
15: Phosphorus
P
2,8,5
14: Silicon
Si
2,8,4
13: Aluminium
Al
2,8,3
6: Carbon
C
2,4
37: Rubidium
2,8,18,8,1
Rb
38: Strontium
2,8,18,8,2
Sr
39: Yttrium
2,8,18,9,2
Y
40: Zirconium
2,8,18,10,2
Zr
41: Niobium
2,8,18,12,1
Nb
42: Molybdenum
2,8,18,13,1
Mo
43: Technetium
2,8,18,14,1
Tc
44: Ruthenium
2,8,18,15,1
Ru
45: Rhodium
2,8,18,16,1
Rh
46: Palladium
2,8,18,18
Pd
47: Silver
2,8,18,18,1
Ag
48: Cadmium
2,8,18,18,2
Cd
49: Indium
2,8,18,18,3
In
50: Tin
2,8,18,18,4
Sn
51: Antimony
2,8,18,18,5
Sb
52: Tellurium
2,8,18,18,6
Te
53: Iodine
2,8,18,18,7
I
54: Xenon
2,8,18,18,8
Xe
22: Titanium
Ti
2,8,10,2
25: Manganese
2,8,13,2
Mn
55: Caesium
2,8,18,18,8,1
Cs
56: Barium
2,8,18,18,8,2
Ba
87: Francium
2,8,18,32,18,8,1
Fr
Ra
88: Radium
2,8,18,32,18,8,2
57: Lanthanum
2,8,18,18,9,2
La
58: Cerium
2,8,18,19,9,2
Ce
59: Praseodymium
2,8,18,21,8,2
Pr
60: Neodymium
2,8,18,22,8,2
Nd
61: Promethium
2,8,18,23,8,2
Pm
62: Samarium
2,8,18,24,8,2
Sm
63: Europium
2,8,18,25,8,2
Eu
64: Gadolinium
2,8,18,25,9,2
Gd
65: Terbium
2,8,18,27,8,2
Tb
66: Dysprosium
2,8,18,28,8,2
Dy
67: Holmium
2,8,18,29,8,2
Ho
68: Erbium
2,8,18,30,8,2
Er
69: Thulium
2,8,18,31,8,2
Tm
70: Ytterbium
2,8,18,32,8,2
Yb
71: Lutetium
2,8,18,32,9,2
Lu
72: Hafnium
2,8,18,32,10,2
Hf
73: Tantalum
2,8,18,32,11,2
Ta
W
74: Tungsten
2,8,18,32,12,2
75: Rhenium
2,8,18,32,13,2
Re
Os
76: Osmium
2,8,18,32,14,2
77: Iridium
2,8,18,32,15,2
Ir
78: Platinum
2,8,18,32,17,1
Pt
79: Gold
2,8,18,32,18,1
Au
Hg
80: Mercury
2,8,18,32,18,2
81: Thallium
2,8,18,32,18,3
Tl
82: Lead
2,8,18,32,18,4
Pb
83: Bismuth
2,8,18,32,18,5
Bi
84: Polonium
2,8,18,32,18,6
Po
85: Astatine
2,8,18,32,18,7
At
86: Radon
2,8,18,32,18,8
Rn
Th
90: Thorium
2,8,18,32,18,10,2
89: Actinium
2,8,18,32,18,9,2
Ac
Pa
91: Protactinium
2,8,18,32,20,9,2
U
92: Uranium
2,8,18,32,21,9,2
Np
93: Neptunium
2,8,18,32,22,9,2
94: Plutonium
2,8,18,32,24,8,2
Pu
95: Americium
2,8,18,32,25,8,2
Am
96: Curium
2,8,18,32,25,9,2
Cm
97: Berkelium
2,8,18,32,27,8,2
Bk
98: Californium
2,8,18,32,28,8,2
Cf
Es
99: Einsteinium
2,8,18,32,29,8,2
100: Fermium
2,8,18,32,30,8,2
Fm
101: Mendelevium
2,8,18,32,31,8,2
Md
No
102: Nobelium
2,8,18,32,32,8,2
Lr
103: Lawrencium
2,8,18,32,32,9,2
Rf
104: Rutherfordium
2,8,18,32,32,10,2
105: Dubnium
2,8,18,32,32,11,2
Db
106: Seaborgium
2,8,18,32,32,12,2
Sg
107: Bohrium
2,8,18,32,32,13,2
Bh
108: Hassium
2,8,18,32,32,14,2
Hs
109: Meitnurium
2,8,18,32,32,15,2
Mt
Ds
110: Darmstadium
2,8,18,32,32,16,2
Rg
111: Roentgenium
2,8,18,32,32,17,2
113: Ununtrium
2,8,18,32,32,18,3
Uut
114: Flerovium
2,8,18,32,32,18,4
Fl
115: Ununpentium
2,8,18,32,32,18,5
Uup
116: Livermorium
2,8,18,32,32,18,6
Lv
117: Ununseptium
2,8,18,32,32,18,7
Uus
118: Ununoctium
2,8,18,32,32,18,8
Uuo
Cn
112: Copernicium
2,8,18,32,32,18,2
Halogens
NobleGases
AlkaliMetals
AlkalineEarthMetals
Lanthanides
Actinides
Transition Metals
PoorMetals
Metaloids
Non-metals
Key:
5: Boron
B
2,3