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Atomic Weights
| Name of Element |
Symbol |
Atomic Number |
Atomic Mass |
| Actinium |
Ac |
89 |
227.0278 |
| Aluminum |
Al |
13 |
26.98154 |
| Americium |
Am |
95 |
(243) |
| Antimony |
Sb |
51 |
121.75 |
| Argon |
Ar |
18 |
39.948 |
| Arsenic |
As |
33 |
74.9216 |
| Astatine |
At |
85 |
(210) |
| Barium |
Ba |
56 |
137.33 |
| Berkelium |
Bk |
97 |
(247) |
| Beryllium |
Be |
4 |
9.01218 |
| Bismuth |
Bi |
83 |
208.9804 |
| Boron |
B |
5 |
10.81 |
| Bromine |
Br |
35 |
79.904 |
| Cadmium |
Cd |
48 |
112.41 |
| Cesium |
Cs |
55 |
132.9054 |
| Calcium |
Ca |
20 |
40.08 |
| Californium |
Cf |
98 |
(251) |
| Carbon |
C |
6 |
12.011 |
| Cerium |
Ce |
58 |
140.12 |
| Chlorine |
Cl |
17 |
35.453 |
| Chromium |
Cr |
24 |
51.996 |
| Cobalt |
Co |
27 |
58.9332 |
| Copper |
Cu |
29 |
63.546 |
| Curium |
Cm |
96 |
(247) |
| Dysprosium |
Dy |
66 |
162.50 |
| Einsteinium |
Es |
99 |
(254) |
| Erbium |
Er |
68 |
167.26 |
| Europium |
Eu |
63 |
151.96 |
| Fermium |
Fm |
100 |
(257) |
| Fluorine |
F |
9 |
18.998403 |
| Francium |
Fr |
87 |
(223) |
| Gadolinium |
Gd |
64 |
157.25 |
| Gallium |
Ga |
31 |
69.72 |
| Germanium |
Ge |
32 |
72.59 |
| Gold |
Au |
79 |
196.9665 |
| Hafnium |
Hf |
72 |
178.49 |
| Helium |
He |
2 |
4.00260 |
| Holmium |
Ho |
67 |
164.9304 |
| Hydrogen |
H |
1 |
1.0079 |
| Indium |
In |
49 |
114.82 |
| Iodine |
I |
53 |
126.9045 |
| Iridium |
Ir |
77 |
192.22 |
| Iron |
Fe |
26 |
55.847 |
| Krypton |
Kr |
36 |
83.80 |
| Lanthanum |
La |
57 |
138.9055 |
| Lawrencium |
Lr |
103 |
(260) |
| Lead |
Pb |
82 |
207.2 |
| Lithium |
Li |
3 |
6.941 |
| Lutetium |
Lu |
71 |
174.97 |
| Magnesium |
Mg |
12 |
24.305 |
| Manganese |
Mn |
25 |
54.9380 |
| Mendelevium |
Md |
101 |
(258) |
| Mercury |
Hg |
80 |
200.59 |
| Molybdenum |
Mo |
42 |
95.94 |
| Neodymium |
Nd |
60 |
144.24 |
| Neon |
Ne |
10 |
20.179 |
| Neptunium |
Np |
93 |
237.0482 |
| Nickel |
Ni |
28 |
58.70 |
| Niobium |
Nb |
41 |
92.9064 |
| Nitrogen |
N |
7 |
14.0067 |
| Nobelium |
No |
102 |
(259) |
| Osmium |
Os |
76 |
190.2 |
| Oxygen |
O |
8 |
15.9994 |
| Palladium |
Pd |
46 |
106.4 |
| Phosphorus |
P |
15 |
30.97376 |
| Platinum |
Pt |
78 |
195.09 |
| Plutonium |
Pu |
94 |
(244) |
| Polonium |
Po |
84 |
(209) |
| Potassium |
K |
19 |
39.0983 |
| Praseodymium |
Pr |
59 |
140.9077 |
| Promethium |
Pm |
61 |
(145) |
| Protactinium |
Pa |
91 |
231.0359 |
| Radium |
Ra |
88 |
226.0254 |
| Radon |
Rn |
86 |
(222) |
| Rhenium |
Re |
75 |
186.207 |
| Rhodium |
Rh |
45 |
102.9055 |
| Rubidium |
Rb |
37 |
85.4678 |
| Ruthenium |
Ru |
44 |
101.07 |
| Samarium |
Sm |
62 |
150.4 |
| Scandium |
Sc |
21 |
44.9559 |
| Selenium |
Se |
34 |
78.96 |
| Silicon |
Si |
14 |
28.0855 |
| Silver |
Ag |
47 |
107.868 |
| Sodium |
Na |
11 |
22.98977 |
| Strontium |
Sr |
38 |
87.62 |
| Sulfur |
S |
16 |
32.06 |
| Tantalum |
Ta |
73 |
180.9479 |
| Technetium |
Tc |
43 |
(97) |
| Tellurium |
Te |
52 |
127.60 |
| Terbium |
Tb |
65 |
158.9254 |
| Thallium |
Tl |
81 |
204.37 |
| Thorium |
Th |
90 |
232.0381 |
| Thulium |
Tm |
69 |
168.9342 |
| Tin |
Sn |
50 |
118.69 |
| Titanium |
Ti |
22 |
47.90 |
| Tungsten |
W |
74 |
183.85 |
| Uranium |
U |
92 |
238.029 |
| (Unnilhhexium) |
(Unh) |
106 |
(263) |
| (Unnilennium) |
(Unn) |
109 |
(266) |
| (Unniloctium) |
(Uno) |
108 |
(265) |
| (Unnilpentium) |
(Unp) |
105 |
(262) |
| (Unnilquadium) |
(Unq) |
104 |
(261) |
| (Unnilseptium) |
(Uns) |
107 |
(262) |
| Vanadium |
V |
23 |
50.9414 |
| Xenon |
Xe |
54 |
131.30 |
| Ytterbium |
Yb |
70 |
173.04 |
| Yttrium |
Y |
39 |
88.9059 |
| Zinc |
Zn |
30 |
65.38 |
| Zirconium |
Zr |
40 |
91.22 |
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