periodic table
Last updated June 17, 1998.

El Grande Periodic Table of the Elements

! IA IIA IIIB ! IVB VB VIB VIIB VIIIB IB IIB IIIA IVA VA VIA VIIA VIIIA !
! ns block
 (n-1)d block
 (n-2)f block
 (n-1)d block
 np block
 !
! alkali metals
(except H)		 alkaline earth
metals		 part of
transition metals		 rare earth elements
Lanthanide Series are elements 58 through 71 in period 6
Actinide Series are elements 90 through 103 in period 7		 transition metals halogens noble gases
(or inert gases)		 !
1 1
H
HYDROGEN
1.008 amu
2.2
-1 +1

1s1
K
E
Y
VIIA
np block
halogens
 <--- group number
<--- valence electron block
<--- group name
 2
He
HELIUM
4.00 amu
--
--

1s2 		1
2 3
Li
LITHIUM
6.94 amu
1.0
+1
[He]
2s1 		4
Be
BERYLLIUM
9.01 amu
1.5
+2
[He]
2s2
IIIB		 period
number

4		 35
Br
BROMINE
79.90 amu
2.7
-1 +1 +5
[Ar]3d10
4s24p5 		<--- atomic number
<--- element symbol
<--- element name
<--- atomic mass
<--- electronegativity
<--- common oxidation states
<--- core electron configuration
<--- valence electron configuration
IVB
VB
VIB
VIIB
VIIIB
IB
IIB		 5
B
BORON
10.81 amu
2.0
+3
[He]
2s22p1 		6
C
CARBON
12.01 amu
2.5
+2 +4
[He]
2s22p2 		7
N
NITROGEN
14.01 amu
3.1
-1 -2 -3, +1 to +5
[He]
2s22p3 		8
O
OXYGEN
16.00 amu
3.5
-2
[He]
2s22p4 		9
F
FLUORINE
19.00 amu
4.1
-1
[He]
2s22p5 		10
Ne
NEON
19.00 amu
--
--
[He]
2s22p6 		2
3 11
Na
SODIUM
22.99 amu
1.0
+1
[Ne]
3s1 		12
Mg
MAGNESIUM
24.30 amu
1.2
+2
[Ne]
3s2 		part of
(n-1)d block
transition metals		 (n-1)d
transition metals		 13
Al
ALUMINUM
26.98 amu
1.5
+3
[Ne]
3s23p1 		14
Si
SILICON
28.09 amu
1.7
-4 +2 +4
[Ne]
3s23p2 		15
P
PHOSPHORUS
30.97 amu
2.1
-3 +3 +5
[Ne]
3s23p3 		16
S
SULFUR
32.06 amu
2.4
-2 +4 +6
[Ne]
3s23p4 		17
Cl
CHLORINE
35.45 amu
2.8
-1 +1 +5 +7
[Ne]
3s23p5 		18
Ar
ARGON
39.95 amu
--
--
[Ne]
3s23p6 		3
4 19
K
POTASSIUM
39.10 amu
0.9
+1
[Ar]
4s1 		20
Ca
CALCIUM
40.08 amu
1.0
+2
[Ar]
4s2 		21
Sc
SCANDIUM
44.96 amu
1.2
+3
[Ar]
4s23d1 		22
Ti
TITANIUM
47.90 amu
1.3
+2 +3 +4
[Ar]
4s23d2 		23
V
VANADIUM
50.94 amu
1.8
+2 +3 +4 +5
[Ar]
4s23d3 		24
Cr
CHROMIUM
52.00 amu
1.6
+2 +3 +6
[Ar]
4s13d5 		25
Mn
MANGANESE
54.94 amu
1.6
+2 +3 +4 +7
[Ar]
4s23d5 		26
Fe
IRON
55.85 amu
1.6
+2 +3
[Ar]
4s23d6 		27
Co
COBALT
58.93 amu
1.7
+2 +3
[Ar]
4s23d7 		28
Ni
NICKEL
58.70 amu
1.8
+2 +3
[Ar]
4s23d8 		29
Cu
COPPER
63.55 amu
1.8
+1 +2
[Ar]
4s13d10 		30
Zn
ZINC
65.38 amu
1.7
+2
[Ar]
4s23d10 		31
Ga
GALLIUM
69.72 amu
1.8
+3
[Ar]3d10
4s24p1 		32
Ge
GERMANIUM
72.59 amu
2.0
+2 +4
[Ar]3d10
4s24p2 		33
As
ARSENIC
74.92 amu
2.2
-3 +3 +5
[Ar]3d10
4s24p3 		34
Se
SELENIUM
78.96 amu
2.5
-2 +4 +6
[Ar]3d10
4s24p4 		35
Br
BROMINE
79.90 amu
2.7
-1 +1 +5
[Ar]3d10
4s24p5 		36
Kr
KRYPTON
83.80 amu
3.1
0
[Ar]3d10
4s24p6 		4
5 37
Rb
RUBIDIUM
85.47 amu
0.9
+1
[Kr]
5s1 		38
Sr
STRONTIUM
87.62 amu
1.0
+2
[Kr]
5s2 		39
Y
YTTRIUM
88.91 amu
1.1
+3
[Kr]
5s24d1 		(n-2)f block
rare earth elements		 40
Zr
ZIRCONIUM
91.22 amu
1.2
+4
[Kr]
5s24d2 		41
Nb
NIOBIUM
92.91 amu
1.2
+3 +5
[Kr]
5s14d4 		42
Mo
MOLYBDENUM
95.94 amu
1.3
+6
[Kr]
5s14d5 		43
Tc
TECHNETIUM
98.91 amu
1.4
+4 +6 +7
[Kr]
5s24d5 		44
Ru
RUTHENIUM
101.07 amu
1.4
+3
[Kr]
5s14d7 		45
Rh
RHODIUM
102.91 amu
1.4
+3
[Kr]
5s14d8 		46
Pd
PALLADIUM
106.4 amu
1.4
+2 +4
[Kr]
5s04d10 		47
Ag
SILVER
107.87 amu
1.4
+1
[Kr]
5s14d10 		48
Cd
CADMIUM
112.41 amu
1.5
+2
[Kr]
5s24d10 		49
In
INDIUM
114.82 amu
1.5
+3
[Kr]4d10
5s25p1 		50
Sn
TIN
118.69 amu
1.7
+2 +4
[Kr]4d10
5s25p2 		51
Sb
ANTIMONY
121.75 amu
1.9
-3 +3 +5
[Kr]4d10
5s25p3 		52
Te
TELLURIUM
127.60 amu
2.0
-2 +4 +6
[Kr]4d10
5s25p4 		53
I
IODINE
126.90 amu
2.2
-1 +1 +5 +7
[Kr]4d10
5s25p5 		54
Xe
XENON
131.30 amu
2.4
0
[Kr]4d10
5s25p6 		5
6 55
Cs
CESIUM
132.91 amu
0.9
+1
[Xe]
6s1 		56
Ba
BARIUM
137.33 amu
1.0
+2
[Xe]
6s2 		57
La
LANTHANUM
138.91 amu
1.1
+3
[Xe]
6s25d1 		58
Ce
CERIUM
140.12 amu
1.1
+3 +4
[Xe]
6s24f15d1 		59
Pr
PRASEODYMIUM
140.91 amu
1.1
+3
[Xe]
6s24f3 		60
Nd
NEODYMIUM
144.24 amu
1.1
+3
[Xe]
6s24f4 		61
Pm
PROMETHIUM
(145) amu
1.1
+3
[Xe]
6s24f5 		62
Sm
SAMARIUM
150.4 amu
1.1
+2 +3
[Xe]
6s24f6 		63
Eu
EUROPIUM
151.96 amu
1.0
+2 +3
[Xe]
6s24f7 		64
Gd
GADOLINIUM
150.4 amu
1.1
+3
[Xe]
6s24f75d1 		65
Tb
TERBIUM
158.93 amu
1.1
+3
[Xe]
6s24f9 		66
Dy
DYSPROSIUM
162.50 amu
1.1
+3
[Xe]
6s24f10 		67
Ho
HOLMIUM
164.93 amu
1.1
+3
[Xe]
6s24f11 		68
Er
ERBIUM
167.26 amu
1.1
+3
[Xe]
6s24f12 		69
Tm
THULIUM
168.93 amu
1.1
+3
[Xe]
6s24f13 		70
Yb
YTTERBIUM
173.04 amu
1.1
+2 +3
[Xe]
6s24f14 		71
Lu
LUTETIUM
174.97 amu
1.1
+3
[Xe]
6s24f14d1 		72
Hf
HAFNIUM
178.49 amu
1.2
+4
[Xe]4f14
6s25d2 		73
Ta
TANTALUM
180.85 amu
1.3
+5
[Xe]4f14
6s25d3 		74
W
TUNGSTEN
183.85 amu
1.4
+6
[Xe]4f14
6s25d4 		75
Re
RHENIUM
186.21 amu
1.5
+4 +6 +7
[Xe]4f14
6s25d5 		76
Os
OSMIUM
190.2 amu
1.5
+3 +4
[Xe]4f14
6s25d6 		77
Ir
IRIDIUM
192.22 amu
1.6
+3 +4
[Xe]4f14
6s25d7 		78
Pt
PLATINUM
195.09 amu
1.4
+2 +4
[Xe]4f14
6s15d9 		79
Au
GOLD
196.97 amu
+1 +3
1.4
[Xe]4f14
6s15d10 		80
Hg
MERCURY
200.59 amu
1.4
+1 +2
[Xe]4f14
6s25d10 		81
Tl
THALLIUM
204.37 amu
1.04
+1 +3
[Xe]4f145d10
6s26p1 		82
Pb
LEAD
207.2 amu
1.6
+2 +4
[Xe]4f145d10
6s26p2 		83
Bi
BISMUTH
208.98 amu
1.7
+3 +5
[Xe]4f145d10
6s26p3 		84
Po
POLONIUM
(209) amu
1.8
+2 +4
[Xe]4f145d10
6s26p4 		85
At
ASTATINE
(210) amu
1.9
--
[Xe]4f145d10
6s26p5 		86
Rn
RADON
(222) amu
1.9
0
[Xe]4f145d10
6s26p6 		6
7 87
Fr
FRANCIUM
(223) amu
0.9
+1
[Rn]
7s1 		88
Ra
RADIUM
226.03 amu
1.0
+2
[Rn]
7s2 		89
Ac
ACTINIUM
227.03 amu
1.0
+3
[Rn]
7s26d1 		90
Th
THORIUM
232.04 amu
1.1
+4
[Rn]
7s25f06d2 		91
Pa
PROTACTINIUM
231.04 amu
1.1
+4 +5
[Rn]
7s25f26d1 		92
U
URANIUM
238.03 amu
1.2
+3 +4 +5 +6
[Rn]
7s25f36d1 		93
Np
NEPTUNIUM
237.05 amu
1.2
+3 +4 +5 +6
[Rn]
7s25f46d1 		94
Pu
PLUTONIUM
(244) amu
1.2
+3 +4 +5 +6
[Rn]
7s25f6 		95
Am
AMERICIUM
(243) amu
1.2
+3 +4 +5 +6
[Rn]
7s25f7 		96
Cm
CURIUM
(247) amu
1.2
+3
[Rn]
7s25f76d1 		97
Bk
BERKELIUM
(247) amu
1.2
+3 +4
[Rn]
7s25f9 		98
Cf
CALIFORNIUM
(251) amu
?
+3
[Rn]
7s25f10 		99
Es
EINSTEINIUM
(252) amu
?
+3
[Rn]
7s25f11 		100
Fm
FERMIUM
(257) amu
?
+3
[Rn]
7s25f12 		101
Md
MENDELEVIUM
(258) amu
?
+2 +3
[Rn]
7s25f13 		102
No
NOBELIUM
(259) amu
?
+2 +3
[Rn]
7s25f14 		103
Lr
LAWRENCIUM
(262) amu
?
+3
[Rn]
7s25f146d1 		104
Rf
RUTHERFORDIUM
(261) amu
?
--
[Rn]5f14
7s26d2 		105
Db
DUBNIUM
(262) amu
?
--
[Rn]5f14
7s26d3 		106
Sg
SEABORGIUM
(263) amu
?
--
[Rn]5f14
7s26d4 		107
Bh
BOHRIUM
(262) amu
?
--
[Rn]5f14
7s26d5 		108
Hs
HASSIUM
(265) amu
?
--
[Rn]5f14
? 		109
Mt
MEITNERIUM
(266) amu
?
--
[Rn]5f14
7s26d7 		110
Uun
UNUNNILIUM
(269) amu
?
--
?
? 		111
Uuu
UNUNUNIUM
(272) amu
?
?
?
? 		112
Uub
UNUNBIUM
(277) amu
?
?
?
? 		7
! alkali metals
(except H)		 alkaline earth
metals		 part of
transition metals		 rare earth elements
Lanthanide Series are elements 58 through 71 in period 6
Actinide Series are elements 90 through 103 in period 7		 transition metals halogens noble gases
(or inert gases)		 !
!
ns block
(n-1)d block
(n-2)f block
(n-1)d block
np block		 !
! IA IIA IIIB ! IVB VB VIB VIIB VIIIB IB IIB IIIA IVA VA VIA VIIA VIIIA !