| IA | IIA | IIIB | IVB | VB | VIB | VIIB | VIII | IB | IIB | IIIA | IVA | VA | VIA | VIIA | VIIIA | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 H Hydrogen Hydrogen2.0 1.0080 2.1000 0.0001 |
To view a VRML 1.0 representation of each atom, click on the element name. You can download a VRML add-on or plug-in viewer for Microsoft Explorer or Netscape Navigator from their sites. To view a VRML 2.0 representation click on the 2.0 element name. You can download a VRML 2.0 viewer from cosmo player for either IE or Netscape at Cosmo site | 2 He Helium Helium2.0 4.0030 --- 0.0002 |
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| 3 Li Lithium Lithium2.0 6.9410 1.0000 0.5340 |
4 Be Beryllium Beryllium2.0 9.0120 1.5000 1.8480 |
The VRML 1.0 representations of the atoms are pictural aids only. They are a slight modification of the Bohr model which shows the solar system view of the atom. This is helpful to understand the bonding capabilities of each atom, but in no way is actually how the atom appears. The electron's position (depicted as red sphere) and momentum (depicted as an orbital path) cannot be known at the same time. The path should be understood as a probability of all of its possible positions, but is simplified for viewing as an orbit around nucleus (depicted as a blue sphere (protons) and green sphere (neutrons)). See Heisenburg uncertainty principle. | 5 B Boron Boron2.0 10.8100 2.0000 2.3400 |
6 C Carbon Carbon2.0 12.0110 2.5000 2.2670 |
7 N Nitrogen Nitrogen2.0 14.0070 3.0000 0.0010 |
8 O Oxygen Oxygen2.0 15.9990 3.5000 0.0010 |
9 F Fluorine Fluorine2.0 18.9980 4.0000 0.0020 |
10 Ne Neon Neon2.0 20.1790 --- 0.0010 |
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| 11 Na Sodium Sodium2.0 22.9900 0.9000 0.9710 |
12 Mg Magnesium Magnesium2.0 24.3050 1.2000 1.7380 |
13 Al Aluminum Aluminum2.0 26.9820 1.5000 2.7000 |
14 Si Silicon Silicon2.0 28.0860 1.8000 2.3300 |
15 P Phosphorus Phosphorus2.0 30.9740 2.1000 1.8200 |
16 S Sulfur Sulfur2.0 32.0600 2.5000 2.0700 |
17 Cl Chlorine Chlorine2.0 35.4530 3.0000 0.0030 |
18 Ar Argon Argon2.0 39.9480 --- 0.0020 |
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| 19 K Potassium Potassium2.0 39.0980 0.8000 0.8620 |
20 Ca Calcium Calcium2.0 40.0800 1.0000 1.5500 |
21 Sc Scandium Scandium2.0 44.9560 --- 2.9890 |
22 Ti Titanium Titanium2.0 47.9000 --- 4.5400 |
23 V Vanadium Vanadium2.0 50.9420 --- 6.1100 |
24 Cr Chromium Chromium2.0 51.9960 --- 7.1800 |
25 Mn Manganese Manganese2.0 54.9380 --- 7.3200 |
26 Fe Iron Iron2.0 55.8470 --- 7.8740 |
27 Co Cobalt Cobalt2.0 58.9330 --- 8.9200 |
28 Ni Nickel Nickel2.0 58.7100 --- 8.9000 |
29 Cu Copper Copper2.0 63.5460 --- 8.9600 |
30 Zn Zinc Zinc2.0 65.3800 --- 7.1300 |
31 Ga Gallium Gallium2.0 69.7370 1.7000 5.9040 |
32 Ge Germanium Germanium2.0 72.5900 1.8000 5.3230 |
33 As Arsenic Arsenic2.0 74.9220 2.0000 5.7270 |
34 Se Selenium Selenium2.0 78.9600 2.4000 4.7900 |
35 Br Bromine Bromine2.0 79.9040 2.8000 3.1200 |
36 Kr Krypton Krypton2.0 83.8000 --- 0.0040 |
| 37 Rb Rubidium Rubidium2.0 85.4680 0.8000 1.5320 |
38 Sr Strontium Strontium2.0 87.6200 1.0000 2.5400 |
39 Y Yttrium Yttrium2.0 88.9060 --- 4.4690 |
40 Zr Zirconium Zirconium2.0 91.2200 --- 6.5060 |
41 Nb Niobium Niobium2.0 92.9060 --- 8.5700 |
42 Mo Molybdenum Molybdenum2.0 95.9400 --- 10.2200 |
43 Tc Technetium Technetium2.0 96.9060 --- 11.5000 |
44 Ru Ruthenium Ruthenium2.0 101.0700 --- 12.4100 |
45 Rh Rhodium Rhodium2.0 102.9060 --- 12.4100 |
46 Pd Palladium Palladium2.0 106.4000 --- 12.0200 |
47 Ag Silver Silver2.0 107.8680 --- 10.5000 |
48 Cd Cadmium Cadmium2.0 112.4100 --- 8.6500 |
49 In Indium Indium2.0 114.8200 1.7000 7.3100 |
50 Sn Tin Tin2.0 118.6900 1.8000 7.3100 |
51 Sb Antimony Antimony2.0 121.7500 1.9000 6.6900 |
52 Te Tellurium Tellurium2.0 127.6000 2.1000 6.2400 |
53 I Iodine Iodine2.0 126.9040 2.5000 4.9300 |
54 Xe Xenon Xenon2.0 131.3000 --- 0.0060 |
| 55 Cs Cesium Cesium2.0 132.9050 0.7000 1.8730 |
56 Ba Barium Barium2.0 137.3300 0.9000 3.5000 |
72 Hf Hafnium Hafnium2.0 178.4900 --- 13.3000 |
73 Ta Tantalum Tantalum2.0 180.9480 --- 16.6500 |
74 W Wolfram Wolfram2.0 183.8500 --- 19.3000 |
75 Re Rhenium Rhenium2.0 186.2000 --- 19.3000 |
76 Os Osmium Osmium2.0 190.2000 --- 22.5700 |
77 Ir Iridium Iridium2.0 192.2200 --- 22.4200 |
78 Pt Platinum Platinum2.0 195.0900 --- 21.4470 |
79 Au Gold Gold2.0 196.9670 --- 19.3000 |
80 Hg Mercury Mercury2.0 200.5900 --- 13.5460 |
81 Tl Thallium Thallium2.0 204.3700 1.8000 11.8500 |
82 Pb Lead Lead2.0 207.2000 1.8000 11.3500 |
83 Bi Bismuth Bismuth2.0 208.9810 1.9000 9.7470 |
84 Po Polonium Polonium2.0 208.9820 2.0000 9.3200 |
85 At Astatine Astatine2.0 209.9870 2.2000 -1.0000 |
86 Rn Radon Radon2.0 222.0000 --- 0.0100 |
|
| 87 Fr Francium Francium2.0 223.0200 0.7000 -1.0000 |
88 Ra Radium Radium2.0 226.0250 0.9000 5.5000 |
104Rf Rutherfordium Rutherfordium2.0 257.0000 --- -1.0000 |
105Ha Hahnium Hahnium2.0 260.0000 --- -1.0000 |
106Unh Unnllhexium Unnllhexium2.0 263.0000 --- -1.0000 |
Atomic Number: Element Symbol Element Name Atom Mass (AMU) Atom Electrovalence (0.0 - 4.0) Atom Density (G/CM^2) |
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| Extended from row 6 column IIA | 57 La Lanthanum Lanthanum2.0 138.9060 --- 6.1450 |
58 Ce Cerium Cerium2.0 140.1200 --- 6.6570 |
59 Pr Praseodymium Praseodymium2.0 140.9080 --- 6.6400 |
60 Nd Neodymium Neodymium2.0 144.2400 --- 6.9000 |
61 Pm Promethium Promethium2.0 144.9130 --- 7.2200 |
62 Sm Samarium Samarium2.0 150.4000 --- 7.5200 |
63 Eu Europium Europium2.0 151.9600 --- 5.2430 |
64 Gd Gadolinium Gadolinium2.0 157.2500 --- 7.9000 |
65 Tb Terbium Terbium2.0 158.9250 --- 8.2300 |
66 Dy Dysprosium Dysprosium2.0 162.5000 --- 8.5500 |
67 Ho Holmium Holmium2.0 164.9300 --- 8.7950 |
68 Er Erbium Erbium2.0 167.2600 --- 9.0660 |
69 Tm Thulium Thulium2.0 168.9340 --- 9.3210 |
70 Yb Ytterbium Ytterbium2.0 173.0400 --- 6.9650 |
71 Lu Lutetium Lutetium2.0 174.9670 --- 9.8400 |
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| Extended from row 7 column IIA | 89 Ac Actinium Actinium2.0 227.0280 --- 10.0700 |
90 Th Thorium Thorium2.0 232.0380 --- 11.7000 |
91 Pa Protactinium Protactinium2.0 231.0360 --- 15.3700 |
92 U Uranium Uranium2.0 238.0290 --- 18.9500 |
93 Np Neptunium Neptunium2.0 237.0480 --- 20.2500 |
94 Pu Plutonium Plutonium2.0 244.0640 --- 19.8160 |
95 Am Americium Americium2.0 243.0610 --- 13.6700 |
96 Cm Curium Curium2.0 247.0700 --- 13.5100 |
97 Bk Berkelium Berkelium2.0 247.0700 --- 14.7800 |
98 Cf Californium Californium2.0 251.0800 --- 14.0000 |
99 Es Einsteinium Einsteinium2.0 254.0880 --- -1.0000 |
100Fm Fermium Fermium2.0 257.0950 --- -1.0000 |
101Md Mendelevium Mendelevium2.0 258.0000 --- -1.0000 |
102No Nobelium Nobelium2.0 255.0930 --- -1.0000 |
103Lr Lawrencium Lawrencium2.0 256.0990 --- -1.0000 |
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| Color code explanation-> | Gas | Solid | Liquid | Radioactive Gas | Radioactive Liquid | Radioactive Solid | Radioactive Synthetic | ||||||||||
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Revised: November 16, 1997.