| Non-Metal |
Metal |
| Periodic Table of the Elements |
|
Non-metal
|
| 1/Ia |
|
18/VIIIa/0 |
| +1 |
1
H
1.00794
1
Hydrogen
|
|
2/IIa |
|
13/IIIa |
14/IVa |
15/Va |
16/VIa |
17/VIIa |
|
| +1 |
3
Li
6.941
2-1
Lithium
|
|
| +2 |
4
Be
9.012182
2-2
Beryllium
|
|
|
|
+2
+4 |
6
C
12.011
2-4
Carbon
|
|
+1
+2
+3
+4
+5 |
7
N
14.00674
2-5
Nitrogen
|
|
| -2 |
8
O
15.9994
2-6
Oxygen
|
|
| -1 |
9
F
18.9984032
2-7
Fluorine
|
|
|
| +1 |
11
Na
22.989768
2-8-1
Sodium
|
|
| +2 |
12
Mg
24.3050
2-8-2
Magnesium
|
|
3/IIIb |
4/IVb |
5/Vb |
6/VIb |
7/VIIb |
8/VIII |
9/VIII |
10/VIII |
11/Ib |
12/IIb |
| +3 |
13
Al
26.981539
2-8-3
Aluminium
|
|
+2
+4 |
14
Si
28.0855
2-8-4
Silicon
|
|
|
+3
+5
|
15
P
30.973762
2-8-5
Phosphorus
|
|
+4
+6
-2 |
16
S
32.066
2-8-6
Sulphur
|
|
+1
+5
+7 |
17
Cl
35.4527
2-8-7
Chlorine
|
|
| 0 |
18
Ar
39.948
2-8-8
Argon
|
|
| +1 |
19
K
39.0983
-8-8-1
Potassium
|
|
| +2 |
20
Ca
40.078
-8-8-2
Calcium
|
|
| +3 |
21
Sc
44.955910
-8-9-2
Scandium |
|
+2
+3
+4
|
22
Ti
47.867
-8-10-2
Titanium |
|
+2
+3
+4
+5
|
23
V
50.9415
-8-11-2
Vanadium |
|
+2
+3
+6
|
24
Cr
51.9961
-8-13-1
Chromium |
|
+2
+3
+4
+7
|
25
Mn
54.93805
-8-13-2
Manganese |
|
+2
+3 |
26
Fe
55.845
-8-14-2
Iron |
|
+2
+3 |
27
Co
58.93320
-8-15-2
Cobalt |
|
+2
+3 |
28
Ni
58.6934
-8-16-2
Nickel |
|
+1
+2 |
29
Cu
63.546
-8-18-1
Copper |
|
| +2 |
30
Zn
65.39
-8-18-2
Zinc |
|
| +3 |
31
Ga
69.723
-8-18-3
Gallium
|
|
+2
+4 |
32
Ge
72.61
-8-18-4
Germanium
|
|
|
+3
+5
|
33
As
74.92159
-8-18-5
Arsenic
|
|
+4
+6
-2 |
34
Se
78.96
-8-18-6
Selenium
|
|
+1
+5 |
35
Br
79.904
-8-18-7
Bromine
|
|
| 0 |
36
Kr
83.80
-8-18-8
Krypton
|
|
| +1 |
37
Rb
85.4678
-18-8-1
Rubidium
|
|
| +2 |
38
Sr
87.62
-18-8-2
Strontium
|
|
| +3 |
39
Y
88.90585
-18-9-2
Yttrium
|
|
| +4 |
40
Zr
91.224
-18-10-2
Zirconium
|
|
+3
+5 |
41
Nb
92.90638
-18-12-1
Niobium
|
|
| +6 |
42
Mo
95.94
-18-13-1
Molybdenum
|
|
+4
+6
+7 |
43
Tc
(97.9072)
-18-13-2
Technetium
|
|
| +3 |
44
Ru
101.07
-18-15-1
Ruthenium
|
|
| +3 |
45
Rh
102.90550
-18-16-1
Rhodium
|
|
+2
+4 |
46
Pd
106.42
-18-18-0
Palladium
|
|
| +1 |
47
Ag
107.8682
-18-18-1
Silver
|
|
| +2 |
48
Cd
112.411
-18-18-2
Cadmium
|
|
| +3 |
49
In
114.818
-18-18-3
Indium
|
|
+2
+4 |
50
Sn
118.710
-18-18-4
Tin
|
|
+3
+5 |
51
Sb
121.760
-18-18-5
Antimony
|
|
+4
+6
-2 |
52
Te
127.60
-18-18-6
Tellurium
|
|
+1
+5
+7 |
53
I
126.90447
-18-18-7
Iodine
|
|
| 0 |
54
Xe
131.29
-18-18-8
Xenon
|
|
| +1 |
55
Cs
132.90543
-18-8-1
Cesium
|
|
| +2 |
56
Ba
137.327
-18-8-2
Barium
|
|
57-71
See
Lanthanides |
| +4 |
72
Hf
178.49
-32-10-2
Hafnium
|
|
| +5 |
73
Ta
180.9479
-32-11-2
Tantalum
|
|
| +6 |
74
W
183.84
-32-12-2
Tungsten
|
|
+4
+6
+7 |
75
Re
186.207
-32-13-2
Rhenium
|
|
+3
+4 |
76
Os
190.2
-32-14-2
Osmium
|
|
+3
+4 |
77
Ir
192.217
-32-15-2
Iridium
|
|
+2
+4 |
78
Pt
195.08
-32-16-2
Platinum
|
|
+1
+3 |
79
Au
196.96654
-32-18-1
Gold
|
|
+1
+2 |
80
Hg
200.59
-32-18-2
Mercury
|
|
+1
+3 |
81
Tl
204.3833
-32-18-3
Thallium
|
|
+2
+4 |
82
Pb
207.2
-32-18-4
Lead
|
|
+3
+5 |
83
Bi
208.98037
-32-18-5
Bismuth
|
|
+2
+4 |
84
Po
(208.9824)
-32-18-6
Polonium
|
|
+1
+5
+7 |
85
At
(209.9871)
-32-18-7
Astatine
|
|
| 0 |
86
Rn
(222.0176)
-32-18-8
Radon
|
|
| +1 |
87
Fr
(223.0197)
-18-8-1
Francium
|
|
| +2 |
88
Ra
(226.0254)
-18-8-2
Radium
|
|
89-103
See
Actinides |
104
*Unq
(261) |
105
*Unp
(262) |
106
*Unh
(263.11) |
107
*Uns
(264) |
108
*Uno
(265) |
109
*Une
(268) |
110
*Uun
(269) |
111
*Uuu
(272) |
Elements 104-111 : Relatively recent elements.
Atomic Weights are based on 12C=12 and conform to the 1995
IUPAC reported values. *Number in ( ) indicates the isotope
of longest half-life. |
|
|
Noble
Gases
|
| |
|
| Metal |
|
Isotopes |
|
| |
|
| Lanthanides |
| +3 |
57
La
138.9055
-18-9-2
Lanthanum
|
|
+3
+4 |
58
Ce
140.115
-20-8-2
Cerium
|
|
| +3 |
59
Pr
140.90765
-21-8-2
Praseodymium
|
|
| +3 |
60
Nd
144.24
-22-8-2
Neodymium
|
|
| +3 |
61
Pm
(144.9127)
-23-8-2
Promethium
|
|
+2
+3 |
62
Sm
150.36
-24-8-2
Samarium
|
|
+2
+3 |
63
Eu
151.965
-25-8-2
Europium
|
|
| +3 |
64
Gd
157.25
-25-9-2
Gadolinium
|
|
| +3 |
65
Tb
158.92534
-27-8-2
Terbium
|
|
| +3 |
66
Dy
162.50
-28-8-2
Dysprosium
|
|
| +3 |
67
Ho
164.93032
-29-8-2
Holmium
|
|
| +3 |
68
Er
167.26
-30-8-2
Erbium
|
|
| +3 |
69
Tm
168.93421
-31-8-2
Thulium
|
|
+2
+3 |
70
Yb
173.04
-32-8-2
Ytterbium
|
|
| +3 |
71
Lu
174.967
-32-9-2
Lutetium
|
|
|
| Actinides |
| +3 |
89
Ac
(227.0278)
-18-9-2
Actinium
|
|
| +4 |
90
Th
232.0381
-18-10-2
Thorium
|
|
+4
+5 |
91
Pa
(231.0388)
-20-9-2
Protactinium
|
|
+3
+4
+5
+6 |
92
U
238.0289
-21-9-2
Uranium
|
|
+3
+4
+5
+6 |
93
Np
(237.0482)
-22-9-2
Neptunium
|
|
+3
+4
+5
+6 |
94
Pu
(244.0642)
-24-8-2
Plutonium
|
|
+3
+4
+5
+6 |
95
Am
(243.0614)
-25-8-2
Americium
|
|
| +3 |
96
Cm
(247.0703)
-25-9-2
Curium
|
|
|
+3
+4
|
97
Bk
(247.0703)
-27-8-2
Berkelium
|
|
| +3 |
98
Cf
(251.0796)
-28-8-2
Californium
|
|
| +3 |
99
Es
(252.083)
-29-8-2
Einsteinium
|
|
| +3 |
100
Fm
(257.0951)
-30-8-2
Fermium
|
|
+2
+3 |
101
Md
(258.10)
-31-8-2
Mendelevium
|
|
+2
+3 |
102
No
(259.1009)
-32-8-2
Nobelium
|
|
| +3 |
103
Lr
(262.11)
-32-9-2
Lawrencium
|
|
|
