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Group 1 2   3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
Period

1A

2A

3A

4A

5A

6A

7A

8A

1 1
H
1.01 		  2
He
4.00
2 3
Li
6.94 		4
Be
9.01 		  5
B
10.81 		6
C
12.01 		7
N
14.01 		8
O
15.9994 		9
F
18.998 		10
Ne
20.1797
3 11
Na
22.99 		12
Mg
24.31 		  3B 4B 5B 6B 7B

┌─ 8B ──┐

 1B 2B 13
Al
26.98 		14
Si
28.09 		15
P
30.97 		16
S
32.065 		17
Cl
34.45

18
Ar
39.948

4 19
K
39.1 		20
Ca
40.08 		  21
Sc
44.96 		22
Ti
47.867 		23
V
50.94 		24
Cr
51.996 		25
Mn
54.94 		26
Fe
55.85 		27
Co
58.93 		28
Ni
58.69 		29
Cu
63.55 		30
Zn
65.41 		31
Ga
69.723 		32
Ge
72.64 		33
As
74.92160 		34
Se
78.96 		35
Br
79.90 		36
Kr
83.798
5 37
Rb
85.47 		38
Sr
87.62 		  39
Y
88.91 		40
Zr
91.224 		41
Nb
92.91 		42
Mo
95.94 		43
Tc
[98] 		44
Ru
101.07 		45
Rh
102.91 		46
Pd
106.42 		47
Ag
107.87 		48
Cd
112.41 		49
In
114.818 		50
Sn
118.71 		51
Sb
121.760 		52
Te
127.60 		53
I
126.90 		54
Xe
131.29
6 55
Cs
132.91 		56
Ba
137.33 		* 71
Lu
174.97 		72
Hf
178.49 		73
Ta
180.95 		74
W
183.84 		75
Re
186.21 		76
Os
190.23 		77
Ir
192.22 		78
Pt
195.08 		79
Au
196.97 		80
Hg
200.59 		81
Tl
204.38 		82
Pb
207.2 		83
Bi
208.98 		84
Po
[209] 		85
At
[210] 		86
Rn
[222]
7 87
Fr
[223] 		88
Ra
[226] 		** 103
Lr
[262] 		104
Rf
[261] 		105
Db
[262] 		106
Sg
[266] 		107
Bh
[264] 		108
Hs
[269] 		109
Mt
[268] 		110
Ds
[271] 		111
Uuu
[272] 		112
Uub
[285] 		  114
Uuq
[289] 		   
   
*Lanthanides * 57
La
138.91 		58
Ce
140.12 		59
Pr
140.91 		60
Nd
144.24 		61
Pm
[145] 		62
Sm
150.36 		63
Eu
151.96 		64
Gd
157.25 		65
Tb
158.93 		66
Dy
162.50 		67
Ho
164.93 		68
Er
167.259 		69
Tm
168.93 		70
Yb
173.04 		   
**Actinides ** 89
Ac
[227] 		90
Th
232.04 		91
Pa
231.04 		92
U
238.03 		93
Np
[237] 		94
Pu
[244] 		95
Am
[243] 		96
Cm
[247] 		97
Bk
[247] 		98
Cf
[251] 		99
Es
[252] 		100
Fm
[257] 		101
Md
[258] 		102
No
[259]