Name | Last modified | Size | Description | |
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Parent Directory | - | |||
001-Hydrogen.pdf | 2020-01-24 19:38 | 67K | ||
001-Hydrogen.png | 2020-01-24 19:44 | 93K | ||
002-Helium.pdf | 2020-01-24 19:38 | 71K | ||
002-Helium.png | 2020-01-24 19:44 | 97K | ||
003-Lithium.pdf | 2020-01-24 19:38 | 67K | ||
003-Lithium.png | 2020-01-24 19:44 | 92K | ||
004-Beryllium.pdf | 2020-01-24 19:38 | 96K | ||
004-Beryllium.png | 2020-01-24 19:44 | 94K | ||
005-Boron.pdf | 2020-01-24 19:38 | 70K | ||
005-Boron.png | 2020-01-24 19:44 | 94K | ||
006-Carbon.pdf | 2020-01-24 19:38 | 73K | ||
006-Carbon.png | 2020-01-24 19:44 | 107K | ||
007-Nitrogen.pdf | 2020-01-24 19:38 | 68K | ||
007-Nitrogen.png | 2020-01-24 19:44 | 95K | ||
008-Oxygen.pdf | 2020-01-24 19:38 | 69K | ||
008-Oxygen.png | 2020-01-24 19:44 | 99K | ||
009-Fluorine.pdf | 2020-01-24 19:38 | 68K | ||
009-Fluorine.png | 2020-01-24 19:44 | 94K | ||
010-Neon.pdf | 2020-01-24 19:38 | 69K | ||
010-Neon.png | 2020-01-24 19:44 | 103K | ||
011-Sodium.pdf | 2020-01-24 19:38 | 70K | ||
011-Sodium.png | 2020-01-24 19:44 | 96K | ||
012-Magnesium.pdf | 2020-01-24 19:38 | 73K | ||
012-Magnesium.png | 2020-01-24 19:44 | 93K | ||
013-Aluminium.pdf | 2020-01-24 19:38 | 71K | ||
013-Aluminium.png | 2020-01-24 19:44 | 103K | ||
014-Silicon.pdf | 2020-01-24 19:38 | 70K | ||
014-Silicon.png | 2020-01-24 19:44 | 95K | ||
015-Phosphorus.pdf | 2020-01-24 19:38 | 72K | ||
015-Phosphorus.png | 2020-01-24 19:44 | 105K | ||
016-Sulfur.pdf | 2020-01-24 19:38 | 72K | ||
016-Sulfur.png | 2020-01-24 19:44 | 101K | ||
017-Chlorine.pdf | 2020-01-24 19:38 | 71K | ||
017-Chlorine.png | 2020-01-24 19:44 | 99K | ||
018-Argon.pdf | 2020-01-24 19:38 | 72K | ||
018-Argon.png | 2020-01-24 19:44 | 98K | ||
019-Potassium.pdf | 2020-01-24 19:38 | 72K | ||
019-Potassium.png | 2020-01-24 19:44 | 98K | ||
020-Calcium.pdf | 2020-01-24 19:38 | 71K | ||
020-Calcium.png | 2020-01-24 19:44 | 92K | ||
021-Scandium.pdf | 2020-01-24 19:38 | 71K | ||
021-Scandium.png | 2020-01-24 19:44 | 92K | ||
022-Titanium.pdf | 2020-01-24 19:38 | 71K | ||
022-Titanium.png | 2020-01-24 19:44 | 86K | ||
023-Vanadium.pdf | 2020-01-24 19:38 | 73K | ||
023-Vanadium.png | 2020-01-24 19:44 | 88K | ||
024-Chromium.pdf | 2020-01-24 19:38 | 72K | ||
024-Chromium.png | 2020-01-24 19:44 | 91K | ||
025-Manganese.pdf | 2020-01-24 19:38 | 70K | ||
025-Manganese.png | 2020-01-24 19:44 | 88K | ||
026-Iron.pdf | 2020-01-24 19:38 | 77K | ||
026-Iron.png | 2020-01-24 19:44 | 95K | ||
027-Cobalt.pdf | 2020-01-24 19:38 | 55K | ||
027-Cobalt.png | 2020-01-24 19:44 | 96K | ||
028-Nickel.pdf | 2020-01-24 19:38 | 56K | ||
028-Nickel.png | 2020-01-24 19:44 | 83K | ||
029-Copper.pdf | 2020-01-24 19:38 | 53K | ||
029-Copper.png | 2020-01-24 19:44 | 86K | ||
030-Zinc.pdf | 2020-01-24 19:38 | 49K | ||
030-Zinc.png | 2020-01-24 19:44 | 80K | ||
031-Gallium.pdf | 2020-01-24 19:38 | 55K | ||
031-Gallium.png | 2020-01-24 19:44 | 103K | ||
032-Germanium.pdf | 2020-01-24 19:38 | 52K | ||
032-Germanium.png | 2020-01-24 19:44 | 97K | ||
033-Arsenic.pdf | 2020-01-24 19:38 | 54K | ||
033-Arsenic.png | 2020-01-24 19:44 | 103K | ||
034-Selenium.pdf | 2020-01-24 19:38 | 49K | ||
034-Selenium.png | 2020-01-24 19:44 | 93K | ||
035-Bromine.pdf | 2020-01-24 19:38 | 50K | ||
035-Bromine.png | 2020-01-24 19:44 | 96K | ||
036-Krypton.pdf | 2020-01-24 19:38 | 50K | ||
036-Krypton.png | 2020-01-24 19:44 | 97K | ||
037-Rubidium.pdf | 2020-01-24 19:38 | 55K | ||
037-Rubidium.png | 2020-01-24 19:44 | 96K | ||
038-Strontium.pdf | 2020-01-24 19:38 | 50K | ||
038-Strontium.png | 2020-01-24 19:44 | 85K | ||
039-Yttrium.pdf | 2020-01-24 19:38 | 52K | ||
039-Yttrium.png | 2020-01-24 19:44 | 82K | ||
040-Zirconium.pdf | 2020-01-24 19:38 | 51K | ||
040-Zirconium.png | 2020-01-24 19:44 | 83K | ||
041-Niobium.pdf | 2020-01-24 19:38 | 49K | ||
041-Niobium.png | 2020-01-24 19:44 | 86K | ||
042-Molybdenum.pdf | 2020-01-24 19:38 | 51K | ||
042-Molybdenum.png | 2020-01-24 19:44 | 84K | ||
043-Technetium.pdf | 2020-01-24 19:38 | 54K | ||
043-Technetium.png | 2020-01-24 19:44 | 86K | ||
044-Ruthenium.pdf | 2020-01-24 19:38 | 76K | ||
044-Ruthenium.png | 2020-01-24 19:44 | 91K | ||
045-Rhodium-1.pdf | 2020-01-24 19:38 | 51K | ||
045-Rhodium-1.png | 2020-01-24 19:44 | 82K | ||
046-Palladium.pdf | 2020-01-24 19:38 | 52K | ||
046-Palladium.png | 2020-01-24 19:44 | 79K | ||
047-Silver.pdf | 2020-01-24 19:38 | 55K | ||
047-Silver.png | 2020-01-24 19:44 | 85K | ||
048-Cadmium.pdf | 2020-01-24 19:38 | 54K | ||
048-Cadmium.png | 2020-01-24 19:44 | 86K | ||
049-Indium.pdf | 2020-01-24 19:38 | 50K | ||
049-Indium.png | 2020-01-24 19:44 | 92K | ||
050-Tin.pdf | 2020-01-24 19:38 | 49K | ||
050-Tin.png | 2020-01-24 19:44 | 91K | ||
051-Antimony.pdf | 2020-01-24 19:38 | 49K | ||
051-Antimony.png | 2020-01-24 19:44 | 96K | ||
052-Tellurium.pdf | 2020-01-24 19:38 | 51K | ||
052-Tellurium.png | 2020-01-24 19:44 | 95K | ||
053-Iodine-1.pdf | 2020-01-24 19:38 | 49K | ||
053-Iodine-1.png | 2020-01-24 19:44 | 92K | ||
054-Xenon.pdf | 2020-01-24 19:38 | 49K | ||
054-Xenon.png | 2020-01-24 19:44 | 92K | ||
055-Caesium.pdf | 2020-01-24 19:38 | 51K | ||
055-Caesium.png | 2020-01-24 19:44 | 101K | ||
056-Barium.pdf | 2020-01-24 19:38 | 53K | ||
056-Barium.png | 2020-01-24 19:44 | 89K | ||
057-Lanthanum.pdf | 2020-01-24 19:38 | 51K | ||
057-Lanthanum.png | 2020-01-24 19:44 | 93K | ||
058-Cerium.pdf | 2020-01-24 19:38 | 51K | ||
058-Cerium.png | 2020-01-24 19:44 | 91K | ||
059-Praseodymium.pdf | 2020-01-24 19:38 | 54K | ||
059-Praseodymium.png | 2020-01-24 19:44 | 99K | ||
060-Neodymium.pdf | 2020-01-24 19:38 | 51K | ||
060-Neodymium.png | 2020-01-24 19:44 | 98K | ||
061-Promethium.pdf | 2020-01-24 19:38 | 50K | ||
061-Promethium.png | 2020-01-24 19:44 | 95K | ||
062-Samarium.pdf | 2020-01-24 19:38 | 52K | ||
062-Samarium.png | 2020-01-24 19:44 | 96K | ||
063-Europium.pdf | 2020-01-24 19:38 | 56K | ||
063-Europium.png | 2020-01-24 19:44 | 90K | ||
064-Gadolinium.pdf | 2020-01-24 19:38 | 52K | ||
064-Gadolinium.png | 2020-01-24 19:44 | 96K | ||
065-Terbium.pdf | 2020-01-24 19:38 | 52K | ||
065-Terbium.png | 2020-01-24 19:44 | 96K | ||
066-Dysprosium.pdf | 2020-01-24 19:38 | 49K | ||
066-Dysprosium.png | 2020-01-24 19:44 | 93K | ||
067-Holmium.pdf | 2020-01-24 19:38 | 51K | ||
067-Holmium.png | 2020-01-24 19:44 | 92K | ||
068-Erbium.pdf | 2020-01-24 19:38 | 51K | ||
068-Erbium.png | 2020-01-24 19:44 | 91K | ||
069-Thulium.pdf | 2020-01-24 19:38 | 58K | ||
069-Thulium.png | 2020-01-24 19:44 | 92K | ||
070-Ytterbium.pdf | 2020-01-24 19:38 | 54K | ||
070-Ytterbium.png | 2020-01-24 19:44 | 93K | ||
071-Lutetium.pdf | 2020-01-24 19:38 | 51K | ||
071-Lutetium.png | 2020-01-24 19:44 | 85K | ||
072-Hafnium.pdf | 2020-01-24 19:38 | 51K | ||
072-Hafnium.png | 2020-01-24 19:44 | 80K | ||
073-Tantalum.pdf | 2020-01-24 19:38 | 53K | ||
073-Tantalum.png | 2020-01-24 19:44 | 80K | ||
074-Tungsten.pdf | 2020-01-24 19:38 | 52K | ||
074-Tungsten.png | 2020-01-24 19:44 | 84K | ||
075-Rhenium.pdf | 2020-01-24 19:38 | 51K | ||
075-Rhenium.png | 2020-01-24 19:44 | 88K | ||
076-Osmium.pdf | 2020-01-24 19:38 | 50K | ||
076-Osmium.png | 2020-01-24 19:44 | 83K | ||
077-Iridium.pdf | 2020-01-24 19:38 | 50K | ||
077-Iridium.png | 2020-01-24 19:44 | 82K | ||
078-Platinum.pdf | 2020-01-24 19:38 | 51K | ||
078-Platinum.png | 2020-01-24 19:44 | 81K | ||
079-Gold.pdf | 2020-01-24 19:38 | 50K | ||
079-Gold.png | 2020-01-24 19:44 | 78K | ||
080-Mercury.pdf | 2020-01-24 19:38 | 53K | ||
080-Mercury.png | 2020-01-24 19:44 | 85K | ||
081-Thallium.pdf | 2020-01-24 19:38 | 53K | ||
081-Thallium.png | 2020-01-24 19:44 | 96K | ||
082-Lead.pdf | 2020-01-24 19:38 | 52K | ||
082-Lead.png | 2020-01-24 19:44 | 97K | ||
083-Bismuth.pdf | 2020-01-24 19:38 | 49K | ||
083-Bismuth.png | 2020-01-24 19:44 | 93K | ||
084-Polonium.pdf | 2020-01-24 19:38 | 54K | ||
084-Polonium.png | 2020-01-24 19:44 | 97K | ||
085-Astatine.pdf | 2020-01-24 19:38 | 52K | ||
085-Astatine.png | 2020-01-24 19:44 | 97K | ||
086-Radon.pdf | 2020-01-24 19:38 | 50K | ||
086-Radon.png | 2020-01-24 19:44 | 93K | ||
087-Francium.pdf | 2020-01-24 19:38 | 54K | ||
087-Francium.png | 2020-01-24 19:44 | 96K | ||
088-Radium.pdf | 2020-01-24 19:38 | 50K | ||
088-Radium.png | 2020-01-24 19:44 | 86K | ||
089-Actinium.pdf | 2020-01-24 19:38 | 51K | ||
089-Actinium.png | 2020-01-24 19:44 | 100K | ||
090-Thorium.pdf | 2020-01-24 19:38 | 51K | ||
090-Thorium.png | 2020-01-24 19:44 | 94K | ||
091-Protactinium.pdf | 2020-01-24 19:38 | 50K | ||
091-Protactinium.png | 2020-01-24 19:44 | 100K | ||
092-Uranium.pdf | 2020-01-24 19:38 | 58K | ||
092-Uranium.png | 2020-01-24 19:44 | 97K | ||
093-Neptunium.pdf | 2020-01-24 19:38 | 50K | ||
093-Neptunium.png | 2020-01-24 19:44 | 98K | ||
094-Plutonium.pdf | 2020-01-24 19:38 | 52K | ||
094-Plutonium.png | 2020-01-24 19:44 | 97K | ||
095-Americium.pdf | 2020-01-24 19:38 | 50K | ||
095-Americium.png | 2020-01-24 19:44 | 98K | ||
096-Curium.pdf | 2020-01-24 19:38 | 51K | ||
096-Curium.png | 2020-01-24 19:44 | 97K | ||
097-Berkelium.pdf | 2020-01-24 19:38 | 52K | ||
097-Berkelium.png | 2020-01-24 19:44 | 99K | ||
09718-IYPTCHEMORIGINS.pdf | 2020-01-24 19:38 | 1.5M | ||
09718-IYPTCHEMORIGINS.png | 2020-01-24 19:44 | 361K | ||
098-Californium.pdf | 2020-01-24 19:38 | 51K | ||
098-Californium.png | 2020-01-24 19:44 | 96K | ||
099-Einsteinium.pdf | 2020-01-24 19:38 | 51K | ||
099-Einsteinium.png | 2020-01-24 19:44 | 96K | ||
100-Fermium.pdf | 2020-01-24 19:38 | 60K | ||
100-Fermium.png | 2020-01-24 19:44 | 91K | ||
101-Mendelevium.pdf | 2020-01-24 19:38 | 51K | ||
101-Mendelevium.png | 2020-01-24 19:44 | 98K | ||
102-Nobelium.pdf | 2020-01-24 19:38 | 69K | ||
102-Nobelium.png | 2020-01-24 19:44 | 105K | ||
103-Lawrencium.pdf | 2020-01-24 19:38 | 67K | ||
103-Lawrencium.png | 2020-01-24 19:44 | 101K | ||
104-Rutherfordium.pdf | 2020-01-24 19:38 | 83K | ||
104-Rutherfordium.png | 2020-01-24 19:44 | 89K | ||
105-Dubnium.pdf | 2020-01-24 19:38 | 73K | ||
105-Dubnium.png | 2020-01-24 19:44 | 84K | ||
106-Seaborgium.pdf | 2020-01-24 19:38 | 54K | ||
106-Seaborgium.png | 2020-01-24 19:44 | 90K | ||
107-Bohrium.pdf | 2020-01-24 19:38 | 57K | ||
107-Bohrium.png | 2020-01-24 19:44 | 91K | ||
108-Hassium.pdf | 2020-01-24 19:38 | 79K | ||
108-Hassium.png | 2020-01-24 19:44 | 90K | ||
109-Meitnerium.pdf | 2020-01-24 19:38 | 50K | ||
109-Meitnerium.png | 2020-01-24 19:44 | 85K | ||
110-Darmstadtium.pdf | 2020-01-24 19:38 | 57K | ||
110-Darmstadtium.png | 2020-01-24 19:44 | 83K | ||
111-Roentgenium.pdf | 2020-01-24 19:38 | 52K | ||
111-Roentgenium.png | 2020-01-24 19:44 | 84K | ||
112-Copernicium.pdf | 2020-01-24 19:38 | 53K | ||
112-Copernicium.png | 2020-01-24 19:44 | 91K | ||
113-Nihonium.pdf | 2020-01-24 19:38 | 136K | ||
113-Nihonium.png | 2020-01-24 19:44 | 97K | ||
114-Flerovium.pdf | 2020-01-24 19:38 | 55K | ||
114-Flerovium.png | 2020-01-24 19:44 | 90K | ||
115-Moscovium.pdf | 2020-01-24 19:38 | 61K | ||
115-Moscovium.png | 2020-01-24 19:44 | 107K | ||
116-Livermorium.pdf | 2020-01-24 19:38 | 58K | ||
116-Livermorium.png | 2020-01-24 19:44 | 93K | ||
117-Tennessine.pdf | 2020-01-24 19:38 | 66K | ||
117-Tennessine.png | 2020-01-24 19:44 | 102K | ||
118-Oganesson.pdf | 2020-01-24 19:38 | 59K | ||
118-Oganesson.png | 2020-01-24 19:44 | 95K | ||
A-timeline-of-the-discoveries-of-the-chemical-elements-Jan-2019.pdf | 2020-01-24 19:38 | 269K | ||
A-timeline-of-the-discoveries-of-the-chemical-elements-Jan-2019.png | 2020-01-24 19:44 | 438K | ||