Chapter/Index: Introduction | A |
B |
C |
D |
E |
F |
G |
H |
I |
J |
K |
L |
M |
N |
O |
P |
Q |
R |
S |
T |
U |
V |
W |
X |
Y |
Z |
Appendix
Atomic Weight of Elements in Periodic Table
|
Table 4981. Atomic weight of elements in periodic table.
| 1 |
2 |
|
3 |
4 |
5 |
6 |
7 |
8 |
9 |
10 |
11 |
12 |
13 |
14 |
15 |
16 |
17 |
18 |
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1 H
Hydrogen
1.0079 |
|
2 He
Helium
4.0026 |
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3 Li
Lithium
6.941 |
4 Be
Beryllium
9.0122 |
Atomic weight: Grams per mole (g/mol) |
5 B
Boron
10.811 |
6 C
Carbon
12.011 |
7 N
Nitrogen
14.007 |
8 O
Oxygen
15.999 |
9 F
Fluorine
18.998 |
10 Ne
Neon
20.18 |
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11 Na
Sodium
22.99 |
12 Mg
Magnesium
24.305 |
The atomic weights are in red. |
13 Al
Aluminium
26.982 |
14 Si
Silicon
28.085 |
15 P
Phosphorus
30.974 |
16 S
Sulphur
32.065 |
17 Cl
Chlorine
35.453 |
18 Ar
Argon
39.948 |
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19 K
Potassium
39.098 |
20 Ca
Calcium
40.078 |
|
21 Sc
Scandium
44.956 |
22 Ti
Titanium
47.867 |
23 V
Vanadium
50.941 |
24 Cr
Chromium
51.996 |
25 Mn
Manganese
54.938 |
26 Fe
Iron
55.845 |
27 Co
Cobalt
58.933 |
28 Ni
Nickel
58.693 |
29 Cu
Copper
63.546 |
30 Zn
Zinc
65.38 |
31 Ga
Gallium
69.723 |
32 Ge
Germanium
72.64 |
33 As
Arsenic
74.922 |
34 Se
Selenium
78.96 |
35 Br
Bromine
79.904 |
36 Kr
Krypton
83.798 |
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37 Rb
Rubidium
85.468 |
38 Sr
Strontium
87.62 |
|
39 Y
Yttrium
88.906 |
40 Zr
Zirconium
91.224 |
41 Nb
Niobium
92.906 |
42 Mo
Molybdenum
95.96 |
43 Tc
Technetium
98 |
44 Ru
Ruthenium
101.07 |
45 Rh
Rhodium
102.91 |
46 Pd
Palladium
106.42 |
47 Ag
Silver
107.87 |
48 Cd
Cadmium
112.41 |
49 In
Indium
114.82 |
50 Sn
Tin
118.71 |
51 Sb
Antimony
121.76 |
52 Te
Tellurium
127.60 |
53 I
Iodine
126.9 |
54 Xe
Xenon
131.29 |
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55 Cs
Cesium
132.91 |
56 Ba
Barium
137.33 |
{57-70}
Lanthanoid |
71 Lu
Lutetium
174.97 |
72 Hf
Hafnium
178.49 |
73 Ta
Tantalum
180.95 |
74 W
Tungsten
183.84 |
75 Re
Rhenium
186.21 |
76 Os
Osmium
190.23 |
77 Ir
Iridium
192.22 |
78 Pt
Platinum
195.08 |
79 Au
Gold
196.97 |
80 Hg
Mercury
200.59 |
81 Tl
Thallium
204.38 |
82 Pb
Lead
207.2 |
83 Bi
Bismuth
208.98 |
84 Po
Polonium
209 |
85 At
Astatine
210 |
86 Rn
Radon
222 |
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87 Fr
Francium
223 |
88 Ra
Radium
226 |
[89-102]
Actinoid |
103 Lr
Lawrencium
262 |
104 Rf
261 |
105 Db
262 |
106 Sg
266 |
107 Bh
264 |
108 Hs
277 |
109 Mt
268 |
110 Ds
271 |
111 Uuu
272 |
112 Uub
277 |
|
114 Uuq
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| {lanthanides} {57-70} |
57 La
Lanthanum
138.91 |
58 Ce
Cerium
140.12 |
59 Pr
Praseodymium
140.91 |
60 Nd
Neodymium
144.24 |
61 Pm
Prometium
145 |
62 Sm
Samarium
150.36 |
63 Eu
Europium
151.96 |
64 Gd
Gadolinium
157.25 |
65 Tb
Terbium
158.93 |
66 Dy
Dysprosium
162.5 |
67 Ho
Holmium
164.93 |
68 Er
Erbium
167.26 |
69 Th
Thulium
168.93 |
70 Yb
Ytterbium
173.05 |
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| {actinides} [89-102] |
89 Ac
Actinium
227 |
90 Th
Thorium
232.04 |
91 Pa
Protactinium
231.04 |
92 U
Uranium
238.03 |
93 Np
Neptunium
237.05 |
94 Pu
Plutonium
244 |
95 Am
Americium
243 |
96 Cm
Curium
247 |
97 Bk
Berkelium
247 |
98 Cf
Californium
251 |
99 Es
Einsteinium
252 |
100 Fm
Fermium
257 |
101 Md
Mendelevium
258 |
102 No
Nobelium
259 |
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