Expanded Periodic Table
| Chemical Symbol |
| Chemical Name |
| Atomic Mass
|
| Atomic Number |
| |
GROUP |
1 |
2 |
|
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|
|
|
|
|
|
13 |
14 |
15 |
16 |
17 |
18 |
| PERIOD |
1 |
H |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
He |
| Hydrogen |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Helium |
| 1.008 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
4.003 |
| 1 |
|
|
|
|
|
|
|
|
|
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|
|
|
|
|
|
|
|
|
2 |
| 2 |
Li |
Be |
|
|
|
|
|
|
|
|
|
|
|
|
|
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|
|
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|
|
|
|
|
|
B |
C |
N |
O |
F |
Ne |
| Lithium |
Beryllium |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Boron |
Carbon |
Nitrogen |
Oxygen |
Fluorine |
Neon |
| 6.94 |
9.013 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
10.82 |
12.011 |
14.008 |
16 |
19 |
20.183 |
| 3 |
4 |
|
|
|
|
|
|
|
|
|
|
|
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|
|
|
|
|
|
|
|
5 |
6 |
7 |
8 |
9 |
10 |
| 3 |
Na |
Mg |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Transition Metals(includes group3) |
|
|
Al |
Si |
P |
S |
Cl |
Ar |
| Sodium |
Magnesium |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Aluminum |
Silicon |
Phosphorus |
Sulfur |
Chlorine |
Argon |
| 22.991 |
24.32 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
26.98 |
28.09 |
30.975 |
32.066 |
35.457 |
39.944 |
| 11 |
12 |
3 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
4 |
5 |
6 |
7 |
8 |
9 |
10 |
11 |
12 |
13 |
14 |
15 |
16 |
17 |
18 |
| 4 |
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 |
| 39.1 |
40.08 |
44.96 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
47.9 |
50.95 |
52.01 |
54.94 |
55.85 |
58.94 |
58.71 |
63.54 |
65.38 |
69.72 |
72.6 |
74.91 |
78.96 |
79.916 |
83.8 |
| 19 |
20 |
21 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
22 |
23 |
24 |
25 |
26 |
27 |
28 |
29 |
30 |
31 |
32 |
33 |
34 |
35 |
36 |
| 5 |
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 |
| 85.48 |
87.63 |
88.92 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
91.22 |
92.91 |
95.95 |
99 |
101.1 |
102.91 |
106.4 |
107.88 |
112.41 |
114.82 |
118.7 |
121.76 |
127.61 |
126.91 |
131.3 |
| 37 |
38 |
39 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
40 |
41 |
42 |
43 |
44 |
45 |
46 |
47 |
48 |
49 |
50 |
51 |
52 |
53 |
54 |
| 6 |
Cs |
Ba |
La |
Ce |
Pr |
Nd |
Pm |
Sm |
Eu |
Gd |
Tb |
Dy |
Ho |
Er |
Tm |
Yb |
Lu |
Hf |
Ta |
W |
Re |
Os |
Ir |
Pt |
Au |
Hg |
Tl |
Pb |
Bi |
Po |
At |
Rn |
| Cesium |
Barium |
Lanthanum |
Cerium |
Praseodymium |
Neodymium |
Promethium |
Samarium |
Europium |
Gadolinium |
Terbium |
Dysprosium |
Holmium |
Erbium |
Thulium |
Ytterbium |
Lutetium |
Hafnium |
Tantalum |
Tungsten |
Rhenium |
Osmium |
Iridium |
Platinum |
Gold |
Mercury |
Thallium |
Lead |
Bismuth |
Polonium |
Astatine |
Radon |
| 132.91 |
137.56 |
138.92 |
140.13 |
140.92 |
144.27 |
145 |
150.35 |
152 |
157.26 |
158.93 |
162.51 |
164.94 |
167.27 |
168.94 |
173.4 |
174.99 |
178.5 |
180.95 |
183.86 |
186.22 |
190.2 |
192.2 |
195.09 |
197 |
200.61 |
204.39 |
207.21 |
209 |
210 |
(210) |
(222) |
| 55 |
56 |
57 |
58 |
59 |
60 |
61 |
62 |
63 |
64 |
65 |
66 |
67 |
68 |
69 |
70 |
71 |
72 |
73 |
74 |
75 |
76 |
77 |
78 |
79 |
80 |
81 |
82 |
83 |
84 |
85 |
86 |
| 7 |
Fr |
Ra |
Ac |
Th |
Pa |
U |
Np |
Pu |
Am |
Cm |
Bk |
Cf |
Es |
Fm |
Md |
No |
Lw |
Rf |
Db |
Sg |
Bh |
Hs |
Mt |
Uun |
Uuu |
Uub |
** |
Uuq |
** |
Uuh |
** |
Uuo |
| Francium |
Radium |
Actinium |
Thorium |
Protactinium |
Uranium |
Neptunium |
Plutonium |
Americium |
Curium |
Berkelium |
Californium |
Einsteinium |
Fermium |
Mendelevium |
Nobelium |
Lawrencium |
Ruthenium |
Dubnium |
Seaborgium |
Bohrium |
Hassium |
Meitnerium |
Darmstatium |
* |
* |
|
* |
|
* |
|
* |
| (223) |
226.05 |
227 |
232.05 |
231 |
238.07 |
237 |
242 |
243 |
245 |
249 |
249 |
255 |
255 |
256 |
253 |
(260) |
(261) |
(262) |
(263) |
(262) |
(265) |
(266) |
(269) |
(272) |
{277} |
|
[289] |
|
[289] |
|
[293] |
| 87 |
88 |
89 |
90 |
91 |
92 |
93 |
94 |
95 |
96 |
97 |
98 |
99 |
100 |
101 |
102 |
103 |
104 |
105 |
106 |
107 |
108 |
109 |
110 |
111 |
112 |
113 |
114 |
115 |
116 |
117 |
118 |
"*" Discovered but formally named "**" Not yet discovered Metalloids are in red
Base on Periodic Table in Microsoft Office Teacher Tools
Last Updated on 10/13/2003
By John Walton