7
6
5
4
3
2
1
Y
Sr
Rb
89
Ac
Actinium
(227)
88
Ra
Radium
(226)
Francium
(223)
Lanthanum Hafnium
178.49
138.91
87
Barium
137.33
Cesium
132.91
72
Hf
57
La
Zirconium
91.22
Zr
40
Yttrium
88.91
Fr
56
Ba
55
Cs
Rubidium Strontium
87.62
85.47
39
38
37
25
Mn
Cr
7
VllB
6
VlB
24
Gold
196.97
Au
79
KEY
Rh
45
Pd
73
74
91
Pa
Th
Pm
61
Osmium
190.23
(145)
93
Np
144.24
92
U
77
Eu
63
Platinum
195.08
Pt
79
Gd
64
Gold
196.97
Au
Pu
94
Am
95
Curium
(247)
Cm
96
Samarium Europium Gadolinium
150.36
151.96
157.25
Sm
62
Iridium
192.22
Ir
Thorium Protactinium Uranium Neptunium Plutonium Americium
231.04
232.04
238.03
(243)
(244)
(237)
140.91
90
Nd
Pr
76
Os
Praseodymium Neodymium Promethium
60
Rhenium
186.21
Re
59
Tungsten
183.84
W
Cerium
140.12
Ce
58
Tantalum
180.95
Ta
Silver
107.87
Ag
47
46
78
Ru
44
75
Tc
43
Copper
63.55
Cu
29
11
lB
Nickel
58.69
Ni
28
10
Palladium
106.42
Mo
42
Cobalt
58.93
Co
27
9
VlllB
Niobium Molybdenum Technetium Ruthenium Rhodium
95.94
101.07
102.91
92.91
(98)
Nb
41
Iron
55.85
Fe
26
8
Average Atomic Mass
Atomic Number
Element Symbol
Element Name
Vanadium Chromium Manganese
50.94
52.00
54.94
V
Ti
Sc
Scandium Titanium
44.96
47.87
Ca
Calcium
40.08
K
23
22
21
20
19
Potassium
39.10
5
VB
4
IVB
3
IIIB
12
11
Mg
Beryllium
9.01
Lithium
6.94
Magnesium
24.31
Be
Li
Na
4
3
Sodium
22.99
2
IIA
Hydrogen
1.01
H
1
1
IA
Dy
66
Thallium
204.38
Tl
Ho
67
Lead
207.2
Pb
82
Tin
118.71
81
Sn
In
50
49
Indium
114.82
Germanium
72.64
Ge
32
Silicon
28.09
Gallium
69.72
Ga
31
Aluminum
26.98
97
98
Cf
99
Es
Fm
100
Erbium
167.26
Er
68
Bismuth
208.98
Lr
103
102
No
101
Md
Lutetium
174.97
Lu
71
Radon
(222)
Ytterbium
173.04
Yb
70
Astatine
(210)
Thulium
168.93
Tm
69
Polonium
(209)
86
Rn
85
Xenon
131.29
Xe
54
Krypton
83.80
Kr
36
Argon
39.95
Ar
18
Neon
20.18
Ne
10
Helium
4.00
At
Iodine
126.90
l
53
Bromine
79.90
Br
35
Chlorine
35.45
Cl
17
F
Fluorine
19.00
9
17
VllA
He
2
18
VlllA
Berkelium Californium Einsteinium Fermium Mendelevium Nobelium Lawrencium
(251)
(247)
(252)
(258)
(262)
(259)
(257)
Bk
84
Po
83
Bi
Tellurium
127.60
Antimony
121.76
Te
52
51
Sb
Selenium
78.96
Se
34
Sulfur
32.07
S
16
Oxygen
16.00
O
8
16
VlA
Arsenic
74.92
As
33
Phosphorus
30.97
P
15
14
13
Si
Nitrogen
14.01
Carbon
12.01
Boron
10.81
Al
N
C
B
Terbium Dysprosium Holmium
162.50
158.93
164.93
Tb
65
Mercury
200.59
Hg
80
Cadmium
112.41
Cd
48
Zinc
65.41
Zn
30
12
llB
15
VA
7
14
lVA
6
13
lllA
5
PERIODIC TABLE OF THE ELEMENTS
H2 O
∆
log H
1
2
pOH
4.184
pH
pH
ammonium
hydronium
hydrazinium
methylammonium
pyridinium
pyrylium
cadmium
silver
zinc
mercury(I)
;
+1
/
NH4
H3O+1
N2H5+1
CH3NH3+1
C5H6N+1
C5H5O+1
Cd+2
Ag+1
Zn+2
Hg2+2
1.00
∆
14
Cations
acetate
aluminate
amide
arsenate
arsenite
azide
benzoate
borate
bromate
bromite
carbonate
carbonite
chlorate
chlorite
chromate
chromite
citrate
cyanamide
cyanate
cyanide
dichromate
1
760
CH3COO
AlO2-1
NH2-1
AsO4-3
AsO3-3
N3-1
C6H5COO-1
BO3-3
BrO3-1
BrO2-1
CO3-2
CO2-2
ClO3-1
ClO2-1
CrO4-2
CrO2-1
C6H5O7-3
CN2-2
CNO-1
CN-1
Cr2O7-2
-1
Anions
101.325
0.0821
dihydrogen phosphate
disilicate
dithionite
formate
hydrogen carbonate
hydrogen phosphate
hydrogen sulfate
hydrogen sulfide
hydrogen sulfite
hydroxide
hypobromite
hypochlorite
hypoiodite
hypophosphite
imide
iodate
iodite
nitrate
nitrite
orthosilicate
oxalate
Common Ion Table
8.314
H2PO4-1
Si2O5-2
S2O4-2
CHOO-1
HCO3-1
HPO4-2
HSO4-1
HS-1
HSO3-1
OH-1
BrO-1
ClO-1
IO-1
PO2-3
NH-2
IO3-1
IO2-1
NO3-1
NO2-1
SiO4-4
C2O4-2
= 62.4
perbromate
perchlorate
periodate
permanganate
peroxide
peroxydisulfate
phosphate
phosphite
pyroarsenate
pyrophosphate
selenate
selenite
silicate
silicite
stannate
stannite
sulfate
sulfite
tartrate
thiocynate
thiosulfate
273
BrO4-1
ClO4-1
IO4-1
MnO4-1
O2-2
S2O8-2
PO4-3
PO3-3
As2O7-4
P2O7-4
SeO4-2
SeO3-2
SiO3-2
SiO2-2
SnO3-2
SnO2-2
SO4-2
SO3-2
C4H4O6-2
SCN-1
S2O3-2