Hydrogen
| Atomic Symbol |
Atomic Number |
Atomic Weight |
He |
2 |
4.0026 |
Helium
| Atomic Symbol |
Atomic Number |
Atomic Weight |
He |
2 |
4.0026 |
Lithium
| Atomic Symbol |
Atomic Number |
Atomic Weight |
Li |
3 |
6.939 |
Beryllium
| Atomic Symbol |
Atomic Number |
Atomic Weight |
Be |
4 |
9.0122 |
Boron
| Atomic Symbol |
Atomic Number |
Atomic Weight |
B |
5 |
10.811 |
Carbon
| Atomic Symbol |
Atomic Number |
Atomic Weight |
C |
6 |
12.01115 |
Oxygen
| Atomic Symbol |
Atomic Number |
Atomic Weight |
O |
8 |
15.9994 |
Fluorine
| Atomic Symbol |
Atomic Number |
Atomic Weight |
F |
9 |
18.998403 |
Neon
| Atomic Symbol |
Atomic Number |
Atomic Weight |
Ne |
10 |
20.183 |
Sodium
| Atomic Symbol |
Atomic Number |
Atomic Weight |
Na |
11 |
22.9898 |
Magnesium
| Atomic Symbol |
Atomic Number |
Atomic Weight |
Mg |
12 |
24.312 |
Aluminum
| Atomic Symbol |
Atomic Number |
Atomic Weight |
Al |
13 |
26.9815 |
Silicon
| Atomic Symbol |
Atomic Number |
Atomic Weight |
Si |
14 |
28.0855 |
Phosphorus
| Atomic Symbol |
Atomic Number |
Atomic Weight |
P |
15 |
30.9738 |
Sulfur
| Atomic Symbol |
Atomic Number |
Atomic Weight |
S |
16 |
32.064 |
Chlorine
| Atomic Symbol |
Atomic Number |
Atomic Weight |
Cl |
17 |
35.453 |
Argon
| Atomic Symbol |
Atomic Number |
Atomic Weight |
Xe |
54 |
131.30 |
Potassium
| Atomic Symbol |
Atomic Number |
Atomic Weight |
K |
19 |
39.0983 |
Calcium
| Atomic Symbol |
Atomic Number |
Atomic Weight |
Ca |
20 |
40.08 |
Scandium
| Atomic Symbol |
Atomic Number |
Atomic Weight |
Sc |
21 |
44.956 |
Titanium
| Atomic Symbol |
Atomic Number |
Atomic Weight |
Ti |
22 |
47.90 |
Vanadium
| Atomic Symbol |
Atomic Number |
Atomic Weight |
V |
23 |
50.942 |
Cromium
| Atomic Symbol |
Atomic Number |
Atomic Weight |
Cr |
24 |
51.996 |
Manganese
| Atomic Symbol |
Atomic Number |
Atomic Weight |
Mn |
25 |
54.9380 |
Iron
| Atomic Symbol |
Atomic Number |
Atomic Weight |
Fe |
26 |
55.847 |
Cobalt
| Atomic Symbol |
Atomic Number |
Atomic Weight |
Co |
27 |
58.9332 |
Nickel
| Atomic Symbol |
Atomic Number |
Atomic Weight |
Ni |
28 |
58.71 |
Copper
| Atomic Symbol |
Atomic Number |
Atomic Weight |
Cu |
29 |
63.54 |
Zinc
| Atomic Symbol |
Atomic Number |
Atomic Weight |
Zn |
30 |
65.37 |
Gallium
| Atomic Symbol |
Atomic Number |
Atomic Weight |
Ga |
31 |
69.72 |
Germanium
| Atomic Symbol |
Atomic Number |
Atomic Weight |
Ge |
32 |
72.59 |
Arsenic
| Atomic Symbol |
Atomic Number |
Atomic Weight |
As |
33 |
74.9216 |
Selenium
| Atomic Symbol |
Atomic Number |
Atomic Weight |
Se |
34 |
78.96 |
Bromine
| Atomic Symbol |
Atomic Number |
Atomic Weight |
Br |
35 |
79.909 |
Krypton
| Atomic Symbol |
Atomic Number |
Atomic Weight |
Kr |
36 |
83.80 |
Rubidium
| Atomic Symbol |
Atomic Number |
Atomic Weight |
Rb |
37 |
85.47 |
Strontium
| Atomic Symbol |
Atomic Number |
Atomic Weight |
Sr |
38 |
87.62 |
Yttrium
| Atomic Symbol |
Atomic Number |
Atomic Weight |
Y |
39 |
88.905 |
Zirconium
| Atomic Symbol |
Atomic Number |
Atomic Weight |
Zr |
40 |
91.22 |
Niobium
| Atomic Symbol |
Atomic Number |
Atomic Weight |
Nb |
41 |
92.906 |
Molybdenum
| Atomic Symbol |
Atomic Number |
Atomic Weight |
Mo |
42 |
95.94 |
Technetium
| Atomic Symbol |
Atomic Number |
Atomic Weight |
Tc |
43 |
(97) |
Ruthenium
| Atomic Symbol |
Atomic Number |
Atomic Weight |
Ru |
44 |
101.07 |
Rhodium
| Atomic Symbol |
Atomic Number |
Atomic Weight |
Rh |
45 |
102.905 |
Palladium
| Atomic Symbol |
Atomic Number |
Atomic Weight |
Pd |
46 |
106.4 |
Silver
| Atomic Symbol |
Atomic Number |
Atomic Weight |
Ag |
47 |
107.870 |
Cadmium
| Atomic Symbol |
Atomic Number |
Atomic Weight |
Cd |
48 |
112.41 |
Indium
| Atomic Symbol |
Atomic Number |
Atomic Weight |
In |
49 |
114.82 |
Tin
| Atomic Symbol |
Atomic Number |
Atomic Weight |
Sn |
50 |
118.69 |
Antinomy
| Atomic Symbol |
Atomic Number |
Atomic Weight |
Sb |
51 |
121.75 |
Tellurium
| Atomic Symbol |
Atomic Number |
Atomic Weight |
Te |
52 |
127.60 |
Iodine
| Atomic Symbol |
Atomic Number |
Atomic Weight |
I |
53 |
126.9044 |
Xenon
| Atomic Symbol |
Atomic Number |
Atomic Weight |
Xe |
54 |
131.30 |
Cesium
| Atomic Symbol |
Atomic Number |
Atomic Weight |
Cs |
55 |
132.905 |
Barium
| Atomic Symbol |
Atomic Number |
Atomic Weight |
Ba |
56 |
137.33 |
Hafnium
| Atomic Symbol |
Atomic Number |
Atomic Weight |
Hf |
72 |
178.49 |
Tantalum
| Atomic Symbol |
Atomic Number |
Atomic Weight |
Ta |
73 |
180.948 |
Tungsten
| Atomic Symbol |
Atomic Number |
Atomic Weight |
W |
74 |
183.85 |
Rhenium
| Atomic Symbol |
Atomic Number |
Atomic Weight |
Re |
75 |
186.2 |
Osmium
| Atomic Symbol |
Atomic Number |
Atomic Weight |
Os |
76 |
190.2 |
Iridium
| Atomic Symbol |
Atomic Number |
Atomic Weight |
It |
77 |
192.2 |
Platinum
| Atomic Symbol |
Atomic Number |
Atomic Weight |
Pt |
78 |
195.09 |
Gold
| Atomic Symbol |
Atomic Number |
Atomic Weight |
Au |
79 |
196.967 |
Mercury
| Atomic Symbol |
Atomic Number |
Atomic Weight |
Hg |
80 |
200.59 |
Thallium
| Atomic Symbol |
Atomic Number |
Atomic Weight |
Tl |
81 |
204.37 |
Lead
| Atomic Symbol |
Atomic Number |
Atomic Weight |
Pb |
82 |
207.19 |
Bismuth
| Atomic Symbol |
Atomic Number |
Atomic Weight |
Bi |
83 |
208.980 |
Polonium
| Atomic Symbol |
Atomic Number |
Atomic Weight |
Po |
84 |
(210) |
Astaltine
| Atomic Symbol |
Atomic Number |
Atomic Weight |
At |
85 |
(210) |
Radon
| Atomic Symbol |
Atomic Number |
Atomic Weight |
Rn |
86 |
(222) |
Francium
| Atomic Symbol |
Atomic Number |
Atomic Weight |
Fr |
87 |
(223) |
Radium
| Atomic Symbol |
Atomic Number |
Atomic Weight |
Ra |
88 |
(226) |
Unnilquadium
| Atomic Symbol |
Atomic Number |
Atomic Weight |
Unq |
104 |
(261) |
OR: As proposed by Berkly USA Research Labs
Rutherfordium
| Atomic Symbol |
Atomic Number |
Atomic Weight |
Rf |
104 |
(261) |
Unnilpentium
| Atomic Symbol |
Atomic Number |
Atomic Weight |
Unp |
105 |
(262) |
OR: As proposed by Berkly USA Research Labs
Hahnium
| Atomic Symbol |
Atomic Number |
Atomic Weight |
Ha |
105 |
(262) |
Unnilhexium
| Atomic Symbol |
Atomic Number |
Atomic Weight |
Unh |
106 |
(263) |
Lanthanum
| Atomic Symbol |
Atomic Number |
Atomic Weight |
La |
57 |
138.91 |
Cerium
| Atomic Symbol |
Atomic Number |
Atomic Weight |
Ce |
58 |
140.12 |
Praseodymium
| Atomic Symbol |
Atomic Number |
Atomic Weight |
Pr |
59 |
140.907 |
Neodymium
| Atomic Symbol |
Atomic Number |
Atomic Weight |
Nd |
60 |
144.24 |
Promethium
| Atomic Symbol |
Atomic Number |
Atomic Weight |
Pm |
61 |
(145) |
Samarium
| Atomic Symbol |
Atomic Number |
Atomic Weight |
Sm |
62 |
150.35 |
Europium
| Atomic Symbol |
Atomic Number |
Atomic Weight |
Eu |
63 |
151.96 |
Gadolinium
| Atomic Symbol |
Atomic Number |
Atomic Weight |
Gd |
64 |
157.25 |
Terbium
| Atomic Symbol |
Atomic Number |
Atomic Weight |
Tb |
65 |
158.924 |
Dysprosium
| Atomic Symbol |
Atomic Number |
Atomic Weight |
Dy |
66 |
162.50 |
Holmium
| Atomic Symbol |
Atomic Number |
Atomic Weight |
Ho |
67 |
164.930 |
Erbium
| Atomic Symbol |
Atomic Number |
Atomic Weight |
Er |
68 |
167.26 |
Thulium
| Atomic Symbol |
Atomic Number |
Atomic Weight |
Tm |
69 |
168.934 |
Ytterbium
| Atomic Symbol |
Atomic Number |
Atomic Weight |
Yb |
70 |
173.04 |
Lutetium
| Atomic Symbol |
Atomic Number |
Atomic Weight |
Lu |
71 |
174.97 |
Actinium
| Atomic Symbol |
Atomic Number |
Atomic Weight |
Ac |
89 |
(227) |
Thorium
| Atomic Symbol |
Atomic Number |
Atomic Weight |
Th |
90 |
232.038 |
Protactinium
| Atomic Symbol |
Atomic Number |
Atomic Weight |
Pa |
91 |
(231) |
Uranium
| Atomic Symbol |
Atomic Number |
Atomic Weight |
U |
92 |
238.03 |
Neptunium
| Atomic Symbol |
Atomic Number |
Atomic Weight |
Np |
93 |
(237) |
Plutonium
| Atomic Symbol |
Atomic Number |
Atomic Weight |
Pu |
94 |
(244) |
Americium
| Atomic Symbol |
Atomic Number |
Atomic Weight |
Am |
95 |
(243) |
Curium
| Atomic Symbol |
Atomic Number |
Atomic Weight |
Cm |
96 |
(247) |
Berkelium
| Atomic Symbol |
Atomic Number |
Atomic Weight |
Bk |
97 |
(247) |
Californium
| Atomic Symbol |
Atomic Number |
Atomic Weight |
Cf |
98 |
(251) |
Einsteinium
| Atomic Symbol |
Atomic Number |
Atomic Weight |
Es |
99 |
(254) |
Fermium
| Atomic Symbol |
Atomic Number |
Atomic Weight |
Fm |
100 |
(257) |
Mendelevium
| Atomic Symbol |
Atomic Number |
Atomic Weight |
Md |
101 |
(258) |
Nobelium
| Atomic Symbol |
Atomic Number |
Atomic Weight |
No |
102 |
(255) |
Lawrencium
| Atomic Symbol |
Atomic Number |
Atomic Weight |
Lr |
103 |
(256) |
Copyright © 1996
This Home Page was created by The I.S. Guy,Sunday, December 16, 1996
Most recent revision Monday, December 16, 1996