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Relative Atomic Masses
based on 12C = 12.0000
1
1
2
3
4
5
6
7
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
1
2
H
He
Hydrogen
Helium
1.0079
3
4
5
6
7
8
9
4.0026
10
Li
Be
B
C
N
O
F
Ne
Lithium
Beryllium
Boron
Carbon
Nitrogen
Oxygen
Fluorine
Neon
6.941
11
9.0122
12
10.81
13
12.011
14
14.007
15
15.999
16
18.998
17
20.180
18
Na
Mg
Al
Si
P
S
Cl
Ar
Sodium
Magnesium
Aluminium
Silicon
Phosphorus
Sulfur
Chlorine
Argon
22.990
19
24.305
20
26.982
31
28.086
32
30.974
33
32.06
34
35.453
35
39.948
36
21
22
23
24
25
26
27
28
29
30
K
Ca
Sc
Ti
V
Cr
Mn
Fe
Co
Ni
Cu
Zn
Ga
Ge
As
Se
Br
Kr
Potassium
Calcium
Scandium
Titanium
Vanadium
Chromium
Manganese
Iron
Cobalt
Nickel
Copper
Zinc
Gallium
Germanium
Arsenic
Selenium
Bromine
Krypton
39.098
37
40.08
38
44.956
39
47.87
40
50.942
41
51.996
42
54.938
43
55.845
44
58.933
45
58.69
46
63.546
47
65.41
48
69.72
49
72.64
50
74.922
51
78.96
52
79.904
53
83.80
54
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
85.468
55
87.62
56
88.906
91.224
72
92.906
73
(98)
75
101.07
76
102.91
77
106.42
78
107.87
79
112.41
80
114.82
81
118.71
82
121.76
83
127.60
84
126.904
85
131.29
86
Cs
Ba
Caesium
Barium
132.91
87
137.33
88
Fr
Ra
Francium
Radium
(223)
(226)
*Lanthanoids
**Actinoids
*
**
95.94
74
Hf
Ta
W
Re
Os
Ir
Pt
Au
Hg
Tl
Pb
Bi
Po
At
Rn
Hafnium
Tantalum
Tungsten
Rhenium
Osmium
Iridium
Platinum
Gold
Mercury
Thallium
Lead
Bismuth
Polonium
Astatine
Radon
178.49
104
180.95
105
183.84
106
186.21
107
190.2
108
192.22
109
195.08
110
196.97
111
200.59
112
204.38
113
207.2
114
208.98
115
(209)
116
(210)
117
(222)
118
Rf
Db
Sg
Bh
Hs
Mt
Ds
Rg
Uub
Uut
Uuq
Uup
Uuh
Uus
Uuo
Rutherfordium
Dubnium
Seaborgium
Bohrium
Hassium
Meitnerium
Darmstadtium
Roentgenium
Ununpentium
Ununhexium
Ununseptium
(266)
(264)
(277)
(268)
(285)
(284)
(289)
(288)
(293)
Ununoctium
(262)
(272)
Ununtrium
Ununquadium
(271)
Ununbium
(261)
(294)
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
La
Ce
Pr
Nd
Pm
Sm
Eu
Gd
Tb
Dy
Ho
Er
Tm
Yb
Lu
Lanthanum
Cerium
Praseodymium
Neodymium
Promethium
Samarium
Europium
Gadolinium
Terbium
Dysprosium
Holmium
Erbium
Thulium
Ytterbium
Lutetium
138.905
89
140.12
90
144.24
92
(145)
93
150.36
94
151.96
95
157.25
96
158.93
97
162.50
98
164.93
99
167.26
100
168.93
101
173.04
102
174.97
103
140.91
91
Ac
Th
Pa
U
Np
Pu
Am
Cm
Bk
Cf
Es
Fm
Md
No
Actinium
Thorium
Protactinium
Uranium
Neptunium
Plutonium
Americium
Curium
Berkelium
Californium
Einsteinium
Fermium
Mendelevium
Nobelium
(227)
232.04
238.03
(237)
(244)
(243)
(247)
(247)
(251)
(252)
(257)
231.04
(258)
(259)
Lr
Lawrencium
(262)
CHEMICAL DATA CARD
DO NOT WRITE ON THIS CARD
PHYSICAL CONSTANTS
CONVERSION FACTORS AND DEFINITIONS
Avogadro’s constant
Bohr radius
Boltzmann’s constant
Electron rest mass
Electronic charge
Faraday
Gas constant
Molar volume, ideal gas, 0 ºC, 1 bar
Nernst factor
Neutron rest mass
Permittivity of vacuum
! !
NA or L
ao
k
me
e
F
R
_o
Vm
2.303 RT/F
mn
εo
4πεo
Planck’s constant
h
Proton rest mass
mp
Rydberg’s constant
RH
Triple point temperature of water
c
Temperature, conventional reference T
Velocity of light
c
PREFIXES
6.022 × 1023 mol-1
5.292 × 10-11 m
1.381 × 10-23 J K-1
9.110 × 10-31 kg
1.602 × 10-19 C
9.649 × 104 C mol-1
8.314 J K-1 mol-1
22.71 dm3 mol-1
0.059 V at 25 ºC
1.675 × 10-27 kg
8.854 × 10-12 J-1 C2 m-1
1.113 × 10-10 J-1 C2 m-1
6.626 × 10-34 J s
1.673 × 10-27 kg
1.097 × 107 m-1
273.16 K
298.15 K (25 ºC)
2.998 × 108 m s-1
!
f
p
n
µ
m
c
d
k
M
G
T
femto
pico
nano
micro
milli
centi
deci
kilo
mega
giga
tera
10-15
10-12
10-9
10-6
10-3
10-2
10-1
103
106
109
1012
Ångstrom
Atmosphere
Å
atm
Atomic mass unit (a.m.u.)
Bar
Bohr magneton
Calorie
Coulomb
Debye
Electron volt
mu
bar
µB
cal
C
D
eV
Hartree
Frequency
Joule
Kelvin temperature
Litre
Newton
Nuclear magneton
Pascal
Torr (or mm of mercury)
Hz
J
T/K
l
N
µN
Pa
Torr
Volt
Watt
V
W
10-10 m
1.013 × 105 Pa (or N m-2)
760 Torr
1.661 × 10-27 kg
105 Pa (or N m-2)
9.273 × 10-24 A m2
4.184 J
As
3.336 × 10-30 C m
1.602 × 10-19 J
(or 96.485 kJ mol-1)
4.3598 × 10-18 J
s-1
N m (or kg m2 s-2 or V C)
T/ºC + 273.15
1.0 dm3 (or 10-3 m3)
J m-1 (or kg m s-2)
5.051 × 10-27 A m2
N m-2 (or kg m-1 s-2)
1.333 × 102 Pa (or N m-2)
1.333 × 10-3 bar
J C-1 (or kg m2 A-1 s-3)
J s-1 (or kg m2 s-3)