Periodic Table of the Elements 1 1
1
H
Some Common Polyatomic Ions
±1
2
Hydrogen
1.008 3 +1 4
2
+2
Li
Be
Lithium
Beryllium
6.941 9.0122 11 +1 12 +2
3
Na
Mg
Sodium
Magnesium
22.989 24.305 19 +1 20 +2 21
4
3
4
5
18
CO3−2, carbonate C2H3O2−1, acetate −2 −1 C2O4 , oxalate NO3 , nitrate MnO4−1, permanganate NO2−1, nitrite −1 −1 ClO4 , perchlorateHCO3 , bicarbonate ClO3−1, chlorate HC2O4−1, binoxalate −1 ClO2 , chlorite CN−1, cyanide ClO−1, hypochlorite OH−1, hydroxide −1 SCN , thiocyanate O2−2, peroxide
NH4+1, ammonium Hg2+2, mercury(I) AsO4−3, arsenate PO4−3, phosphate Cr2O7−2, dichromate CrO4−2, chromate SO3−2, sulfite SO4−2, sulfate
6
7
8
9
10
2
13 5
K
Ca
Sc
Calcium
Scandium
15
± 4,2 7
+3 6
Boron
16
± 3,1,2,4,5
C
N
Carbon
Nitrogen
8
17 −2 9
O
Oxygen
0
Helium
4.003 −1 10 0
F
Ne
Fluorine
Neon
10.81 12.011 14.007 15.999 18.998 20.18 13 +3 14 ± 2,4 15 ± 3,5 16 ± 2,4,6 17 ± 1,3,5,7 18 0
11
12
+1 22 +2,3,4 23 +2,3,4,5 24 +2,3,6 25 +2,3,4,7 26 +2,3 27 +2,3 28 +2,3 29 +1,2 30
Potassium
B
14
He
Ti
V
Cr
Mn
Fe
Co
Ni
Cu
Zn
Titanium
Vanadium
Chromium
Manganese
Iron
Cobalt
Nickel
Copper
Zinc
Al
Si
P
S
Cl
Ar
Aluminum
Silicon
Phosphorus
Sulfur
Chlorine
Argon
26.982 28.086 30.974 32.06 35.453 39.95 +2 31 +3 32 ± 2,4 33 ± 3,5 34 ± 2,4,6 35 ± 1,5 36 0,+2
Ga
Ge
As
Se
Br
Kr
Gallium
Germanium
Arsenic
Selenium
Bromine
Krypton
39.098 40.08 44.956 47.90 50.941 51.996 54.938 55.847 58.933 58.71 63.546 65.38 69.72 72.59 74.922 78.96 79.904 83.80 37 +1 38 +2 39 +3 40 +4 41 +3,5 42 +3,6 43 +4,6,7 44 +3 45 +3 46 +2,4 47 +1 48 +2 49 +3 50 +2,4 51 ± 3,5 52 ± 2,4,6 53 ± 1,5,7 54 0,+2,4,6
5
Rb
Sr
Y
Zr
Nb
Mo
Tc
Ru
Rh
Pd
Ag
Cd
In
Sn
Sb
Te
I
Xe
Rubidium
Strontium
Yttrium
Zirconium
Niobium
Molybdenum
Technetium
Ruthenium
Rhodium
Palladium
Silver
Cadmium
Indium
Tin
Antimony
Tellurium
Iodine
Xenon
Rn
85.468 87.62 88.906 91.22 92.906 95.95 98.906 101.07 102.91 106.4 107.87 112.40 114.82 118.69 121.75 127.60 126.90 131.3 55 +1 56 +2 71* +3 72 +4 73 +5 74 +6 75 +4,6,7 76 +3,4 77 +3,4 78 +2,4 79 +1,3 80 +1,2 81 +1,3 82 +2,4 83 +3,5 84 +2,4 85 ± 1,3,5,7 86 0
6
Cs
Ba
Lu
Hf
Ta
W
Re
Os
Ir
Pt
Au
Hg
Tl
Pb
Bi
Po
At
Cesium
Barium
Lutetium
Hafnium
Tantalum
Tungsten
Rhenium
Osmium
Iridium
Platinum
Gold
Mercury
Thallium
Lead
Bismuth
Polonium
Astatine
Radon
208.98
(209)
(210)
(222)
132.91 137.34 174.97 178.49 180.95 183.85 186.2 87 +1 88 +2 103** 104 105 106 107
7
Fr
Ra
Lr
Francium
Radium
Lawrencium
(223)
226.03
(257)
Rf
Rutherfordium
(261)
Db
Sg
Bh
Dubnium
Seaborgium
Bohrium
(262)
* 57
La
Chemical Symbol
Z
±x
Sy
oxidation #s or ionic charges
chemical name Average Mass
x.x or(xx)
Mass Number
(266)
Ce
Cerium
Hs
(264)
+3 58 +3,4 59
Lanthanum
atomic number
190.2 108
Pr
Hassium
(277)
+3 60
Praseodymium
192.22 195.09 196.97 200.59 109 110 111 112
Mt
Und
Unu
Unb
Meitnerium
Unnildecium
Unnilunidecium
Unnilunibieniu m
(268)
+3 61
(281)
(272)
204.37
Unq
Unniluniquatrium
(289)
(285)
+3 62 +2,3 63 +2,3 64
207.2 114
+3 65
+3 66
Nd
Pm
Sm
Eu
Gd
Tb
Neodymium
Promethium
Samarium
Europium
Gadolinium
Terbium
+3 67
+3 68
+3 69
Dy
Ho
Er
Dysprosium
Holmium
Erbium
+3 70 +2,3
Tm
Yb
Thulium
Ytterbium
138.91 140.12 140.91 144.24 (145) 150.4 151.96 157.25 158.93 162.50 164.93 167.26 168.93 173.04 ** 89 +3 90 +4 91 +4,5 92 +3,4,5,6 93 +3,4,5,6 94 +3,4,5,6 95 +3,4,5,6 96 +3 97 +3,4 98 +3 99 100 101 102
Ac
Th
Pa
U
Np
Pu
Am
Cm
Bk
Cf
Es
Fm
Md
No
Actinum
Thorium
Protactinium
Uranium
Neptunium
Plutonium
Americium
Curium
Berkelium
Californium
Einsteinium
Fermium
Mendelevium
Nobelium
(227)
232.04
231.04
238.03
237.05
(244)
(243)
(247)
(247)
(251)
(254)
(253)
(256)
(254)