Periodic Table of the Elements
GROUP 1
IA
1
Atomic Number
Symbol
2
S1/2
2.2
Hydrogen
0.0899
-259.14
(v) 37
13.5984
-252.87
-
2
IIA
1s1
+1,-1
3
0.535
180.54
(m) 152
Period
0.93
2
S1/2
0.82
Potassium
2
1.00794 Atomic Weight
2
S1/2 †Ground-State Level
2.2
*Electronegativity (Pauling)
H
1
S0
1.57
Phase at STP
13
IIIA
5
Gas
Beryllium
1.848
1287
(m) 112
12
9.3227
2470
HCP
Alkali Metals
1
S0
1
S0
Calcium
Noble Gas
Halogens
Transition Metals
Non Metals
1.31
1.00
Solid Synthetic
Alkaline Earth
Metals
Poor Metals
[42]
3
IIIB
21
44.955910
Sc
Metalloids
4
IVB
2
D3/2
1.36
Scandium
5
VB
22
47.867
Ti
23
3
F2
1.54
Titanium
mu
e
k
me
mec 2
r0
eV
e
F

2  hc 2
Electron Radius (Classical)
Electron Volt
Elementry Charge
Faraday Constant
fine-structure constant
First Radiation Constant
Rare Earth
Metals
Magnesium
Ca
Liquid
Source: physics.nist.gov
Common Constants
Categories
[He] 2s2
+2
24.3050
Mg
†
Absolute Zero
Atomic Mass Unit
Avogadro Constant
Base of Natural Logarithms
Boltzmann constant
Electron Mass
6
VIB
50.9415
V
4
F3/2
1.63
Vanadium
24
Gravitation Constant
Molar Gas Constant
Molar Volume (Ideal Gas)
PI
Planck Constant
Proton-Electron Mass Ratio
Rydberg Constant
2.8179403x10-15 m
1.602176x10-19 J
1.602176x10-19 C
96 485.3399 C/mol
0.0072973525
3.7417749x10-16 W m2
Second Radiation Constant
Speed of Light in a Vacuum
Speed of sound in air at STP
Standard Pressure
7
VIIB
51.9961
Cr
7
S3
1.66
Chromium
25
8
VIII
54.938049
Mn
6
S5/2
1.55
Manganese
G
R
-273.15 °C
1.660539x10-27 kg
6.022142x1023 mol-1
2.718281828
1.380650x10-23 J/K
9.10938215x10-31 kg
0.5110 MeV
9
VIII
26
55.845
Fe
Iron
5
D4
1.83
27
-11
p
h
m e/m p
R∞
R ∞c
R ∞hc
ch/k
c
4
F9/2
1.88
Cobalt
28
-1 -2
11
IB
58.6934
Ni
3
6.67428x10 m kg s
8.314472 J mol-1 K-1
0.02241410 m3/mol
3.14159265358979
6.626069x10-34 J s
1836.15267247
10 973 732 m-1
3.289842x1015 Hz
13.6057 eV
0.01438769 m K
299 792 458 m/s
343.2 m/s
101 325 Pa
10
VIII
58.933200
Co
1
S0
-
Helium
Free Downloads at Vertex42.com
9.012182
Be
4.002602
He
3
F4
1.91
Nickel
63.546
Cu
2
S1/2
1.90
Copper
10.811
B
2
P°1/2
2.04
Boron
2.46
8.2980
2075
4000
(v) 82
rhom.
[He] 2s2 2p1
+3
26.981538
13
Al
2
P°1/2
1.61
Aluminum
6
15
VA
12.0107
C
3
P0
2.55
Carbon
2.26
11.2603
4027
3550
(v) 77
hex
[He] 2s2 2p2
+2,4,-4
28.0855
14
Si
7
14.0067
N
4
S°3/2
3.04
Nitrogen
1.251
14.5341
-210.1
-195.79
(v) 75
[He] 2s2 2p3
+2,3,4,5,-2,-3
30.97361
15
P
3
P0
1.90
Silicon
16
VIA
8
17
VIIA
15.9994
O
1.429
13.6181
-218.3
-182.9
(v) 73
[He] 2s2 2p4
-2
32.065
16
S
4
S°3/2
2.19
3
P2
2.58
Sulfur
30
Zn
Zinc
1
S0
1.65
Ga
2
P°1/2
1.81
Gallium
Ge
3
P0
2.01
Germanium
As
4
S°3/2
2.18
Arsenic
Se
3
P2
2.55
Selenium
24.5874
-268.93
1s2
0
18.9984032
F
P2
Oxygen
Phosphorus
9
3
3.44
2.7
2.33
1.823
1.96
5.9858
8.1517
10.4867
10.3600
{42} 660.32
2519
1414
2900
44.2
280.5
115.21
444.72
(m) 143
FCC
(v) 111
cubic
(v) 106
§
(v) 102
FCO
2
1
2
2
2
3
2
[Ne] 3s 3p
[Ne] 3s 3p
[Ne] 3s 3p
[Ne] 3s 3p4
+3
+2,4,-4
+3,4,5,-3
+2,4,6,-2
65.409 31
69.723 32
72.64 33
74.92160 34
78.96
12
IIB
29
14
IVA
0.1785
(v) 32
2
P°3/2
3.98
Fluorine
10
20.1797
Ne
1
S0
-
Neon
1.696
0.9
17.4228
21.5645
-219.6
-188.12 -248.59 -246.08
(v) 71
(v) 69
[He] 2s2 2p5
[He] 2s2 2p6
-1
0
35.453 18
39.948
17
Cl
2
P°3/2
3.16
Chlorine
3.214
12.9676
-101.5
-34.04
(v) 99
2
[Ne] 3s 3p5
+1,3,5,7,-1
79.904
35
Br
2
P°3/2
2.96
Bromine
Ar
1
S0
-
Argon
1.784
15.7596
-189.3
-185.8
(v) 97
2
[Ne] 3s 3p6
0
83.798
36
Kr
1
S0
3
Krypton
0.856
1.55
2.985
4.507
6.11
7.14
7.47
7.874
8.9
8.908
8.92
7.14
5.904
5.323
5.727
4.819
3.12
3.75
4.3407
6.1132
6.5615
6.8281
6.7462
6.7665
7.4340
7.9024
7.8810
7.6398
7.7264
9.3942
5.9993
7.8994
9.7886
9.7524
11.8138
13.9996
63.38
759
842
1484
1541
2830
1668
3287
1910
3407
1907
2671
1246
2061
1538
2861
1495
2927
1455
2913
1084.62
2927
419.53
907
29.76
2204
938.3
2820
817
614
221
685
-7.3
59
-157.36 -153.22
(m) 227
BCC
(m) 197
FCC
(m) 162
HCP
(m) 147
HCP
(m) 134
BCC
(m) 128
BCC
(m) 127 §cubic (m) 126
BCC
(m) 125
HCP
(m) 124
FCC
(m) 128
FCC
(m) 134
§hex
(m) 135
§BCO
(v) 122
§cubic
(v) 119
rhom.
(v) 116
§hex
(v) 114
BCO
(v) 110
1
2
1
2
2
2
3
2
5
1
5
2
6
2
7
2
8
2
10
1
10
2
10
2
1
10
2
2
10
2
3
10
2
4
10
2
5
10
2
6
[Ar] 4s
[Ar] 4s
[Ar] 3d 4s
[Ar] 3d 4s
[Ar] 3d 4s
[Ar] 3d 4s
[Ar] 3d 4s
[Ar] 3d 4s
[Ar] 3d 4s
[Ar] 3d 4s
[Ar] 3d 4s
[Ar] 3d 4s
[Ar] 3d 4s 4p
[Ar] 3d 4s 4p
[Ar] 3d 4s 4p
[Ar] 3d 4s 4p
[Ar] 3d 4s 4p
[Ar] 3d 4s 4p
+1
+2
+3
+2,3,4
+2,3,4,5
+2,3,6
+2,3,4,6,7
+2,3
+2,3
+2,3
+1,2
+2
+3
+2,4
+3,5,-3
+2,4,6,-2
+1,5,-1
0
85.4678 38
87.62 39
88.90585 40
91.224 41
92.90638 42
95.94 43
(98) 44
101.07 45
102.90550 46
106.42 47
107.8682 48
112.411 49
114.818 50
118.710 51
121.760 52
127.60 53
126.90447 54
131.293
37
2
S1/2
0.82
Rubidium
Sr
1
S0
0.95
Strontium
Y
2
D3/2
1.22
Yttrium
1.532
2.63
4.472
4.1771
5.6949
6.2173
39.31
688
777
1382
1526
3345
(m) 248
BCC
(m) 215
FCC
(m) 180
HCP
1
2
1
[Kr] 5s
[Kr] 5s
[Kr] 4d 5s2
+1
+2
+3
132.90545 56
137.327
55
Cs
2
S1/2
0.79
Cesium
Ba
1
S0
0.89
Barium
1.879
3.51
3.8939
5.2117
28.44
671
727
1870
(m) 265
BCC
(m) 222
BCC
[Xe] 6s1
[Xe] 6s2
+1
+2
(223) 88
(226)
87
Fr
7
S1/2
4
0.968
1.738
5.1391
7.6462
97.72
883
650
1090
(m) 186
BCC
(m) 160
HCP
1
2
[Ne] 3s
[Ne] 3s
+1
+2
39.0983 20
40.078
19
Rb
6
2
Sodium
K
5
5.3917
1342
BCC
[He] 2s1
+1
22.989770
Na
4
S1/2
0.98
Lithium
11
3
2
2
S1/2
0.7
Francium
-
4.0727
1
[Rn] 7s
+1
Ra
Lanthanide Series
S0
Radium
5
5.2784
700
1737
BCC
2
[Rn] 7s
+2
Actinide
Series
Notes:
- Density units are g/cm 3 for solids and g/L or kg/cm 3 at
0° Celsius for gases
12
- Atomic Weight based on C
- ( ) indicate mass number of most stable isotope
- Common Oxidation States in bold
- Electron Config. based on IUPAC guidelines
- § indicates crystal structure is unusual or may require
explanation
- (m) Metallic radius, (v) Covalent radius
References:
†Nist.gov, *Wolfram.com (Mathematic),
CRC Handbook of Chemistry and Physics
81st Edition, 2000-2001, and others
Periodic Table of the Elements
Design by Vertex42.com
© 2011 Vertex42 LLC. All rights reserved.
Zr
3
F2
1.33
Zirconium
Nb
6
D1/2
1.60
Niobium
Mo
7
S3
2.16
Molybdenum
Tc
6
S5/2
1.9
Technetium
Ru
5
F5
2.20
Ruthenium
Rh
4
F9/2
2.28
Rhodium
Pd
1
S0
2.20
Palladium
Ag
2
S1/2
1.93
Silver
Cd
1
S0
1.69
Cadmium
In
2
P°1/2
1.78
Indium
Sn
3
P0
1.96
Tin
Sb
4
S°3/2
2.05
Antimony
Te
I
3
P2
2.10
Tellurium
2
P°3/2
2.66
Iodine
Xe
1
S0
2.60
Xenon
6.511
8.57
10.28
11.5
12.37
10.49
8.65
7.31
7.31
6.697
6.24
4.94
5.9
12.45
12.023
6.6339
6.7589
7.0924
7.28
7.3605
8.3369
7.5762
8.9938
5.7864
7.3439
8.6084
9.0096
10.4513
12.1298
7.4589
1855
4409
2477
4744
2623
4639
2157
4265
2334
4150
1964
3695
1554.9
2963
961.78
2162
321.07
767
156.6
2072
231.93
2602
630.63
1587
449.51
988
113.7
184.3
-111.8
-108
(m) 160
HCP
(m) 146
BCC
(m) 139
BCC
(m) 136
HCP
(m) 134
HCP
(m) 134
FCC
(m) 137
FCC
(m) 144
FCC
(m) 151
§hex
(m) 167
§tetra.
(v) 141
§tetra.
(v) 138
§rhom.
(v) 135
hex
(v) 133
BCO
(v) 130
2
2
4
1
5
1
5
2
7
1
8
1
10
10
1
10
2
10
2
1
10
2
2
10
2
3
10
2
4
10
2
5
10
2
[Kr] 4d 5s
[Kr] 4d 5s
[Kr] 4d 5s
[Kr] 4d 5s
[Kr] 4d 5s
[Kr] 4d 5s
[Kr] 4d
[Kr] 4d 5s
[Kr] 4d 5s
[Kr] 4d 5s 5p
[Kr] 4d 5s 5p
[Kr] 4d 5s 5p
[Kr] 4d 5s 5p
[Kr] 4d 5s 5p
[Kr] 4d 5s 5p6
+4
+3,5
+2,3,4,5,6
+4,7
+2,3,4,6,8
+2,3,4
+2,4
+1
+2
+3
+2,4
+3,5,-3
+2,4,6,-2
+1,5,7,-1
0
178.49 73
180.9479 74
183.84 75
186.207 76
190.23 77
192.217 78
195.078 79
196.96655 80
200.59 81
204.3833 82
207.2 83
208.98038 84
(209) 85
(210) 86
(222)
72
Hf
3
F2
1.3
Hafnium
Ta
4
F3/2
1.5
Tantalum
W
5
D0
2.36
Tungsten
Re
6
S5/2
1.9
Rhenium
Os
Ir
5
D4
2.2
Osmium
4
F9/2
2.2
Iridium
Pt
3
D3
2.28
Platinum
Au
2
S1/2
Gold
2.54
Hg
1
S0
2
Mercury
Tl
2
P°1/2
1.62
Thallium
13.31
16.65
19.25
21.02
22.61
22.65
21.09
19.3
13.534 10.4375
11.85
6.8251
7.5496
7.8640
7.8335
8.4382
8.9670
8.9588
9.2255
6.1082
2233
4603
3017
5458
3422
5555
3186
5596
3033
5012
2466
4428
1768.3
3825
1064.18
2856
-38.83
356.73
304
1473
(m) 159
HCP
(m) 146
BCC
(m) 139
BCC
(m) 137
HCP
(m) 135
HCP
(m) 136
FCC
(m) 139
FCC
(m) 144
FCC
(m) 151 §rhom. (m) 170
HCP
[Xe] 4f14 5d2 6s2
[Xe] 4f14 5d3 6s2
[Xe] 4f14 5d4 6s2
[Xe] 4f14 5d5 6s2
[Xe] 4f14 5d6 6s2
[Xe] 4f14 5d7 6s2
[Xe] 4f14 5d9 6s1
[Xe] 4f14 5d10 6s1
[Xe] 4f14 5d10 6s2
[Hg] 6p1
+4
+5
+2,3,4,5,6
+2,4,6,7,-1
+2,3,4,6,8
+2,3,4,6
+2,4
+1,3
+1,2
+1,3
(261) 105
(262) 106
(266) 107
(264) 108
(277) 109
(268) 110
(281) 111
(272) 112
(285) 113
104
Rf
1
0.9
3
F2 ?
Rutherfordium
Db
Dubnium
Sg
Seaborgium
Bh
Bohrium
Hs
Hassium
Mt
Meitnerium
Ds
Rg
Darmstadtium Roentgenium
Cn
Copernicium
Uut
Ununtrium
Pb
3
P0
Lead
2.33
Bi
4
S°3/2
2.02
Bismuth
Po
3
P2
2.0
Polonium
11.34
9.78
7.4167
7.2855
327.46
1749
271.3
1564
(m) 175
FCC
(v) 146
§rhom.
[Hg] 6p2
[Hg] 6p3
+2,4
+3,5
(289) 115
114
9.196
8.414
254
962
§cubic
[Hg] 6p4
+2,4
(292)
116
Ununquadium Ununpentium
Ununhexium
Uuq
Uup
Uuh
At
2
P°3/2
2.2
Astatine
302
[Hg] 6p5
+1,3,5,7,-1
117
Rn
1
S0
Radon
-
9.73
10.7485
-71
-61.7
(v) 145
[Hg] 6p6
0
118
Uus
Ununseptium
Uuo
Ununoctium
6.0 ?
14
2
2
[Rn] 5f 6d 7s ?
+4
57
Lanthanides
2
6.941
Li
1
Name
Hydrogen
*Density [Note] 0.0899 13.5984 †Ionization Energy (eV)
*Melting Point (°C) -259.14 -252.87 *Boiling Point (°C)
FCC Crystal Structure [Note]
Atomic radius (pm)[Note] (v) 37
†
1s1
Electron Configuration
+1,-1
Possible Oxidation States [Note]
Actinides
1
1.00794
H
18
VIIIA
†
138.9055
La
2
D3/2
1.10
Lanthanum
58
140.116
Ce
1
G°4
1.12
Cerium
59
Pr
140.90765
4
I°9/2
1.13
60
144.24
Nd
5
I4
1.14
Praseodymium Neodymium
61
Pm
(145)
6
H°5/2
-
Promethium
62
150.36
Sm
7
F0
1.17
Samarium
63
151.964
Eu
8
S°7/2
-
Europium
64
157.25
Gd
9
D°2
1.20
Gadolinium
65
158.92534
Tb
6
H°15/2
-
Terbium
66
Dy
162.500
5
I8
1.22
Dysprosium
67
164.93032
Ho
4
I°15/2
1.23
Holmium
68
167.259
Er
3
H6
1.24
Erbium
69
168.93421
Tm
2
F°7/2
1.25
Thulium
70
173.04
Yb
1
S0
-
Ytterbium
71
174.967
Lu
2
D3/2
1.27
Lutetium
7.01
7.264
7.353
5.244
6.146
6.689
6.64
7.901
8.219
8.551
8.795
9.066
9.321
6.57
9.841
5.473
5.5250
5.582
5.6437
5.5769
5.5387
5.6704
6.1498
5.8638
5.9389
6.0215
6.1077
6.1843
6.2542
5.4259
920
3464
798
3360
931
3290
1021
3100
1100
3000
1072
1803
822
1527
1313
3250
1356
3230
1412
2567
1474
2700
1497
2868
1545
1950
819
1196
1663
3402
(m) 187
§hex
(m) 182
FCC
(m) 182
§hex
(m) 181
§hex
(m) 183
HCP
(m) 180
§hex
(m) 180
BCC
(m) 180
HCP
(m) 177
HCP
(m) 178
HCP
(m) 176
HCP
(m) 176
HCP
(m) 176
HCP
(m) 176
FCC
(m) 174
HCP
[Xe] 5d1 6s2
[Xe] 4f1 5d1 6s2
[Xe] 4f3 6s2
[Xe] 4f4 6s2
[Xe] 4f5 6s2
[Xe] 4f6 6s2
[Xe] 4f7 6s2
[Xe] 4f7 5d1 6s2
[Xe] 4f9 6s2
[Xe] 4f10 6s2
[Xe] 4f11 6s2
[Xe] 4f12 6s2
[Xe] 4f13 6s2
[Xe] 4f14 6s2
[Xe] 4f14 5d1 6s2
+3
+3,4
+3,4
+3
+3
+2,3
+2,3
+3
+3,4
+3
+3
+3
+2,3
+2,3
+3
(227) 90
232.0381 91
231.0359 92
238.0289 93
(237) 94
(244) 95
(243) 96
(247) 97
(247) 98
(251) 99
(252) 100
(257) 101
(258) 102
(259) 103
(262)
89
Ac
2
D3/2
1.1
Actinium
10.07
5.17
1050
3200
FCC
[Rn] 6d1 7s2
+3
Th
3
F2
1.3
Thorium
11.724
6.3067
1750
4820
(m) 179
FCC
[Rn] 6d2 7s2
+4
Pa
4
K11/2
1.5
Protactinium
15.37
5.89
1572
4000
(m) 163
§tetra
[Rn] 5f2 6d1 7s2
+4,5
U
5
L°6
1.38
Uranium
19.05
6.1941
1135
3927
(m) 156
BCP
[Rn] 5f3 6d1 7s2
+3,4,5,6
Np
6
L11/2
1.36
Neptunium
20.45
6.2657
644
4000
(m) 155
SO
[Rn] 5f4 6d1 7s2
+3,4,5,6
Pu
7
F0
1.28
Plutonium
19.816
6.0260
640
3230
(m) 159 §mono.
[Rn] 5f6 7s2
+3,4,5,6
Am
8
S°7/2
1.3
Americium
5.9738
1176
2011
(m) 173
HCP
[Rn] 5f7 7s2
+3,4,5,6
Cm
9
D°2
1.3
Curium
13.51
5.9914
1345
3110
(m) 174
HCP
[Rn] 5f7 6d 7s2
+3
Bk
6
H°15/2
1.3
Berkelium
14.78
6.1979
1050
(m) 170
hex
[Rn] 5f9 7s2
+3,4
Cf
5
I8
1.3
Californium
15.1
6.2817
900
hex
[Rn] 5f10 7s2
+3
Es
4
I°15/2
1.3
Einsteinium
6.42
860
[Rn] 5f11 7s2
+3
Fm
3
H6
1.3
Fermium
6.50
1527
[Rn] 5f12 7s2
+3
Md
2
F°7/2
1.3
Mendelevium
6.58
827
[Rn] 5f13 7s2
+2,3
No
1
S0
1.3
Nobelium
6.65
827
[Rn] 5f14 7s2
+2,3
Lr
2
P°1/2 ?
-
Lawrencium
4.9 ?
1627
[Rn] 5f14 7s2 7p ?
+3