Iupac Periodic Table Of The Isotopes

ADVERTISEMENT

IUPAC Periodic Table of the Isotopes
isotope mass number
Element Background Color Key
cadmium
element name
(number of protons +
Cd
106 108
neutrons)
.
[Standard atomic weights are determined using all stable isotopes and selected radioactive isotopes (having relatively long half-lives
element symbol
black indicates
116
116
,
113
113
114
isotope is stable
and characteristic isotopic abundances) in natural terrestrial substances. Isotopes are considered stable (non-radioactive) if evidence
.
red indicates
48
atomic number
,
for radioactive decay has not been detected experimentally.]
110
isotope is radioactive
(number of protons)
isotopic abundance
Element has two or more isotopes that are used to determine its standard atomic weight. The isotopic abundances and
111
1
18
(mole fraction
standard
112
atomic weights vary in natural terrestrial substances. These variations are well known, and the standard atomic weight is
of isotope)
atomic weight
112.411(8)
hydrogen
helium
given as lower and upper bounds within square brackets, [ ].
H
He
uncertainty in last digit (112.411 ± 0.008)
2
3
1
2
Element has two or more isotopes that are used to determine its standard atomic weight. The isotopic abundances and
atomic weights vary in natural terrestrial substances, but upper and lower bounds of the standard atomic weight have not
4
1
2
been assigned by IUPAC or the variations may be too small to affect the standard atomic weight value. Thus, the standard
13
14
15
16
17
[1.007 84; 1.008 11]
4.002 602(2)
atomic weight is given as a single value with an uncertainty that includes both measurement uncertainty and uncertainty due
beryllium
boron
carbon
fluorine
lithium
nitrogen
oxygen
neon
Ne
Li
Be
to isotopic abundance variations.
B
C
F
N
O
21
9
17
19
22
6
10
13
15
18
10
3
4
5
6
7
8
9
Element has only one isotope that is used to determine its standard atomic weight. Thus, the standard atomic weight is
invariant and is given as a single value with an IUPAC evaluated measurement uncertainty.
12
14
7
11
16
20
[6.938; 6.997]
9.012 182(3)
[10.806; 10.821]
[12.0096; 12.0116]
[14.006 43; 14.007 28]
[15.999 03; 15.999 77]
18.998 4032(5)
20.1797(6)
Element has no standard atomic weight because all of its isotopes are radioactive and, in natural terrestrial substances, no
sodium
magnesium
aluminium
silicon
phosphorus
sulfur
chlorine
argon
Mg
Na
Si
P
S
Cl
Ar
isotope occurs with a characteristic isotopic abundance from which a standard atomic weight can be determined.
33 36
(aluminum)
36
38
34
Al
29
23
26
27
31
37
30
12
25
11
14
15
16
17
18
13
35
28
32
24
40
3
4
5
6
7
8
9
10
11
12
22.989 769 28(2)
24.3050(6)
26.981 5386(8)
[28.084; 28.086]
30.973 762(2)
[32.059; 32.076]
[35.446; 35.457]
39.948(1)
potassium
calcium
scandium
titanium
vanadium
chromium
manganese
iron
cobalt
nickel
copper
zinc
gallium
germanium
arsenic
selenium
bromine
krypton
K
Kr
Ca
48
Sc
Ti
V
Cr
Mn
Fe
Co
Ni
Cu
Zn
Ga
Ge
As
Se
Br
61
42
70
74
78
40
57
44
43
64
80
46 47 49
53 50
54
58
62
67
82
77
46
45
55
59
76
75
41
68
70
60
83
50
54
71
73
76
81
50
65
19
36
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
82
78
66
72
86
48
51
64
69
56
58
63
74
80
79
40
52
84
39
39.0983(1)
40.078(4)
44.955 912(6)
47.867(1)
50.9415(1)
51.9961(6)
54.938 045(5)
55.845(2)
58.933 195(5)
58.6934(4)
63.546(3)
65.38(2)
69.723(1)
72.63(1)
74.921 60(2)
78.96(3)
79.904(1)
83.798(2)
rubidium
strontium
yttrium
zirconium
niobium
molybdenum
ruthenium
rhodium
palladium
silver
cadmium
indium
tin
antimony
tellurium
iodine
xenon
technetium
Pd
Sn
Te
Xe
Rb
Sr
Y
Zr
Nb
Mo
Ru
Rh
Ag
Cd
In
Sb
124
Tc
106 108
122 123
I
112 114
84
102
130 128
126
124
100 96
109
116
113
122
115
120
94
123
86
91
97
113
87
89
92
93
99
103
104
127
98
114
125
136
87
96
124
98
106
120
46
50
52
130
54
132
37
38
39
40
41
42
100
43
44
45
110
47
48
49
51
53
134
117
126
110
94
119
101
92
131
105
111
85
88
90
102
116
96
128
95
104
107
112
115
118
121
108
129
85.4678(3)
87.62(1)
88.905 85(2)
91.224(2)
92.906 38(2)
95.96(2)
101.07(2)
102.905 50(2)
106.42(1)
107.8682(2)
112.411(8)
114.818(3)
118.710(7)
121.760(1)
127.60(3)
126.904 47(3)
131.293(6)
caesium
barium
hafnium
tantalum
tungsten
rhenium
osmium
iridium
platinum
gold
mercury
thallium
lead
bismuth
polonium
astatine
radon
134
57 - 71
Ba
Hf
Ta
W
Re
Os
Hg
186
184
Ir
Au
Tl
Pb
Bi
Po
At
Rn
130
174
Pt
(cesium)
180
135
192
196
187
190
132
176
207
Cs
133
183
198
197
198 204
203
204
209
136
185
188
179
180
180
184
191
202
192
56
72
73
74
75
76
77
195
80
196
137
79
81
82
83
84
85
86
lanthanoids
78
201
189
182
177
55
206
181
187
193
199
205
208
194
138
190
178
186
200
132.905 4519(2)
137.327(7)
178.49(2)
180.947 88(2)
183.84(1)
186.207(1)
190.23(3)
192.217(3)
195.084(9)
196.966 569(4)
200.59(2)
[204.382; 204.385]
208.980 40(1)
francium
radium
rutherfordium
dubnium
seaborgium
bohrium
hassium
meitnerium
darmstadtium
roentgenium
copernicium
ununtrium
flerovium
ununpentium
livermorium
ununseptium
ununoctium
89 - 103
Uut
Fl
Uup
Lv
Uus
Uuo
Fr
Ra
Rf
Db
Sg
Bh
Hs
Mt
Ds
Rg
Cn
87
88
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
actinoids
praseodymium
lanthanum
cerium
neodymium
promethium
samarium
europium
gadolinium
terbium
dysprosium
holmium
erbium
thulium
ytterbium
lutetium
La
Ce
Nd
Sm
Eu
Gd
Dy
Er
Yb
Lu
Pr
Pm
Tb
158 156
Ho
Tm
136
138
164 162
168
154 152
144
160
170
142
141
148 150
150
159
165
169
155
170
176
161
174
176
138
142
151
158
164
166
57
58
60
62
152
63
64
66
68
70
145
148
71
59
61
65
67
69
171
143
157
167
149
163
175
139
153
173
160
146
156
144
147
154
140
162
172
168
138.905 47(7)
140.116(1)
140.907 65(2)
144.242(3)
150.36(2)
151.964(1)
157.25(3)
158.925 35(2)
162.500(1)
164.930 32(2)
167.259(3)
168.934 21(2)
173.054(5)
174.9668(1)
actinium
thorium
protactinium
uranium
neptunium
plutonium
americium
curium
berkelium
californium
einsteinium
fermium
mendelevium
nobelium
lawrencium
U
Ac
Th
Pa
Np
Pu
Am
Cm
Bk
Cf
Es
Fm
Md
No
Lr
234
235
232
231
92
89
90
91
93
94
95
96
97
98
99
100
101
102
103
238
232.038 06(2)
231.035 88(2)
238.028 91(3)
International Union of Pure and Applied Chemistry (IUPAC) Project 2007-038-3-200, "Development of an isotopic periodic table for the educational community"
June 20, 2012

ADVERTISEMENT

00 votes

Related Articles

Related forms

Related Categories

Parent category: Education
Go