Environmental Engineering Reference
In-Depth Information
FIGURE 11.4
Metals and their Discovery
Lead
Saturn
Saturday
The Seven 'Classical' Metals of the Antiquity and
Their Correspondences
Iron
Mars
Tuesday (Fr. Mardi)
Mercury (Quicksilver)
Mercury
Wednesday (Fr. Mecredi)
Gold
Sun
Sunday
Copper
Venus
Friday (Fr. Vendredi)
Silver
Moon
Monday
Tin
Jupiter
Thursday (Fr. Jeudi)
Timeline of Metals Discovery
19th Century
1886
Germanium
1898
Polonium, Radium
1899
Actinium
1801
Niobium
1802
Tantalum
1803
Iridium, Palladium, Rhodium
1807
Potassium, Sodium
1808
Boron, Barium, Calcium,
Magnesium, Strontium
1814
Cerium
1817
Lithium, Cadmium,
Selenium
1823
Silicon
1827
Aluminium
1828
Thorium
1830
Vanadium
1839
Lanthanum
1843
Erbium, Terbium
1844
Ruthenium
1860
Cesium, Rubidium
1861
Thallium
1863
Indium
1875
Gallium
1878-1885
Holmium,
Thulium, Scandium,
Samarium, Gadalinium,
Praseodynium, Neodynium,
Dysprosium
The Seven Metals
of the Antiquity
18th Century
20th Century
1735
Cobalt
1738
Zinc
1751
Nickel
1774
Manganese
1781
Molybdenum
1782
Tellurium
1783
Tungsten
1789
Uranium
1789
Zirconium
1791
Titanium
1794
Yttrium
1797
Beryllium
1797
Chromium
6000 BC
Gold
4200 BC
Copper
4000 BC
Silver
3500 BC
Lead
1750 BC
Tin
1500 BC
Iron
750 BC
Mercury
1901
Europium
1907
Lutetium
1917
Protactinium
1923
Hafnium
1924
Rhenium
1937
Technetium
1939
Francium
1945
Promethium
1940-1961
Transuranium elements.
Neptunium, Plutonium,
Curium, Americum,
Berkelium, Californium,
Einsteinium, Fermium,
Mendelevium, Nobelium,
Lawrencium
Ca 1300
Arsenic
Ca 1500
Platinum
1560
Antimony
1595
Bismuth
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