Discoverers of Elements of Periodic Table
Discoverers of Elements of Periodic Table| Element | Discovered By |
|---|---|
| ഓക്സിജൻ | ജോസഫ് പ്രീസ്റ്റ്ലി |
| ഹൈഡ്രജൻ | ഹെൻട്രി കാവൻഡിഷ് |
| നൈട്രജൻ | ഡാനിയൽ റൂഥർഫോർഡ് |
| സിലിക്കൺ | ബേർസേലിയസ് |
| തോറിയം | ബെർസേലിയസ് |
| മെഗ്നീഷ്യം | ജോസഫ് ബ്ലാക്ക് |
| കാൽസ്യം | ഹംഫ്രി ഡേവി |
| പൊട്ടാസിയം | ഹംഫ്രി ഡേവി |
| സോഡിയം | ഹംഫ്രി ഡേവി |
| യുറേനിയം | മാർട്ടിൻ ക്ലാപ്രോത്ത് |
| റേഡിയം | മേരി ക്യൂറി |
| പൊളോണിയം | മേരിക്യൂറി, പിയറി ക്യൂറി |
| ക്ലോറിൻ | കാൾ ഷിലെ |
| അയഡിൻ | ബെർണാഡ് കൊർട്ടേയ്സ് |
| ഫോസ്ഫറസ് | ഹെന്നി ങ് ബ്രാൻഡ് |
| സെലിനിയം | ബെർസേലിയസ് |
| Element | Discovered By |
|---|---|
| Aluminum | Hans Christian Oersted |
| Americium | Glenn T. Seaborg Ralph A. James Leon O. Morgan Albert Ghiorso |
| Antimony | Known since ancient times |
| Argon | Sir William Ramsay Lord Rayleigh |
| Arsenic | Known since ancient times |
| Barium | Sir Humphry Davy |
| Berkelium | Stanley G. Thompson Glenn T. Seaborg Kenneth Street, Jr. Albert Ghiorso |
| Bismuth | Claude Geoffroy the Younger |
| Bohrium | Scientists at Dubna, Russia |
| Boron | Joseph-Louis Gay-Lussac Louis-Jaques Thénard Sir Humphry Davy |
| Bromine | Antoine-Jérôme Balard |
| Cadmium | Friedrich Strohmeyer |
| Calcium | Sir Humphry Davy |
| Californium | Stanley G. Thompson Glenn T. Seaborg Kenneth Street, Jr. Albert Ghiorso |
| Carbon | Known since ancient times |
| Cerium | Jöns Jacob Berzelius Wilhelm von Hisinger Martin Heinrich Klaproth |
| Cesium | Robert Wilhelm Bunsen Gustav Robert Kirchoff |
| Chlorine | Carl Wilhelm Scheele |
| Chromium | Louis-Nicholas Vauquelin |
| Cobalt | Georg Brandt |
| Copper | Known since ancient times |
| Dysprosium | Paul-Émile Lecoq de Boisbaudran |
| Einsteinium | Albert Ghiorso et. al. |
| Europium | Eugène-Antole Demarçay |
| Fluorine | Ferdinand Frederic Henri Moissan |
| Francium | Marguerite Catherine Perey |
| Gadolinium | Jean Charles Galissard de Marignac |
| Gallium | Paul-Émile Lecoq de Boisbaudran |
| Germanium | Clemens Winkler |
| Gold | Know to the Ancients |
| Helium | Pierre-Jules-César Janssen |
| Holmium | Per Theodor Cleve |
| Hydrogen | Henry Cavendish |
| Indium | Ferdinand Reich Hieronymus Theodor Richter |
| Iodine | Barnard Courtois |
| Iridium | Smithson Tennant |
| Iron | Known since ancient times |
| Krypton | Sir William Ramsay Morris M. Travers |
| Lanthanum | Carl Gustaf Mosander |
| Lead | Known since ancient times |
| Lithium | Johann August Arfvedson |
| Lutetium | Georges Urbain |
| Magnesium | Sir Humphry Davy |
| Manganese | Johan Gottlieb Gahn |
| Meitnerium | Peter Armbruster Gottfried Münzenber |
| Mercury | Known since ancient times |
| Molybdenum | Carl Welhelm Scheele |
| Neodymium | Carl F. Auer von Welsbach |
| Neon | Sir William Ramsay Morris M. Travers |
| Neptunium | Edwin M. McMillian Philip H. Abelson |
| Nickel | Axel Fredrik Cronstedt |
| Niobium | Charles Hatchett |
| Nitrogen | Daniel Rutherford |
| Osmium | Smithson Tennant |
| Oxygen | Joseph Priestley |
| Palladium | William Hyde Wollaston |
| Phosphorus | Hennig Brand |
| Platinum | Known to pre-Columbian Indians Antonio de Ulloa |
| Plutonium | Glenn T. Seaborg Joseph W. Kennedy Edward M. McMillan Arthur C. Wohl |
| Polonium | Marie Sklodowska Curie |
| Potassium | Sir Humphry Davy |
| Protactinium | Kasimir Fajans O.H. Göhring |
| Radium | Marie Sklodowska Curie Pierre Curie |
| Radon | Friedrich Ernst Dorn |
| Rhenium | Ida Tacke-Noddack Walter Noddack Otto Carl Berg |
| Rhodium | William Hyde Wollaston |
| Rubidium | Robert Bunsen Gustav Kirchhoff |
| Ruthenium | Karl Karlovich Klaus |
| Samarium | Jean Charles Galissard de Marignac |
| Scandium | Lars Fredrik Nilson |
| Seaborgium | Albert Ghiorso et. al. |
| Selenium | Jöns Jacob Berzelius |
| Silicon | Jöns Jacob Berzelius |
| Silver | Known since ancient times |
| Sodium | Sir Humphry Davy |
| Strontium | Adair Crawford |
| Sulfur | Known since ancient times |
| Tantalum | Anders Gustaf Ekenberg |
| Tellurium | Franz Joseph Müller von Reichenstein |
| Terbium | Carl Gustaf Mosander |
| Thallium | Sir William Crookes |
| Thorium | Jöns Jacob Berzelius |
| Thulium | Per Theodor Cleve |
| Tin | Known since ancient times |
| Titanium | The Reverend William Gregor |
| Tungsten | Juan José Fausto Elhuyar |
| Uranium | Martin Heinrich Klaproth |
| Vanadium | Andrés Manuel del Rio Nils Gabriel Sefstrôm |
| Xenon | Sir William Ramsay Morris M. Travers |
| Ytterbium | Jean Charles Galissard de Marignac |
| Yttrium | Johan Gadolin |
| Zinc | Known since ancient times |
Map coloring is the act of assigning different colors to different features on a map. Color use is always consistent on a single map. The colors used on maps have a relationship to an object or feature on the ground. blue is almost always the color chosen for water.
The Survey of India used seven standard colors to depict the distributional pattern of land use.
Black : For lettering boundaries and railways.
Blue : For water bodies.
Brown : For contours.
Green : For forests.
Grey : For hill shading.
Red : For buildings and roads.
Yeliow : For cultivated area.
...
Jatha Place Leader
.
ഉപ്പ് സത്യാഗ്രഹ മാർച്ച് പാലക്കാട് - പയ്യന്നൂർ ടി ആർ കൃഷ്ണ സ്വാമി അയ്യർ .
കർഷക മാർച്ച് കാസർഗോഡ് - തിരുവനന്തപുരം AK ഗോപാലൻ (1960) .
കർഷക മാർച്ച് പാലക്കാട് - സബർമതി ആനന്ദ തീർത്തൻ .
ജീവശിഖാ മാർച്ച് അങ്കമാലി - തിരുവനന്തപുരം മന്നത് പദ്മനാഭൻ 1959 .
ടെംപിൾ ജാഥ കണ്ണൂർ - ഗുരുവായൂർ AK ഗോപാലൻ .
പട്ടിണി ജാഥ കണ്ണൂർ - മദ്രാസ് എ.കെ ഗോപാലൻ (1936) .
മലബാർ ജാഥ കോഴ...
Lord Canning History (1856 to 1862) .
The last Governor General and the first Viceroy.
Mutiny took place in his time.
On November, 1858, the rule passed on to the crown.
Withdrew Doctrine of Lapse.
The Universities of Calcutta, Bombay and Madras were established in 1857.
Indian Councils Act was passed in 1861.
Lord Elgin (1862 to 1863) .
No Information.
.
Lord Lawrence (1864 to 1869) .
Created the Indian Forest department.
Expanded canal works and railways.
High Courts were established at Calcutta, Bombay and Madras in 1865.
Telegraphic communication was opened with Europe.
Lord Mayo History (1869 to 1872) .
Established the Rajkot college at Kathiarwar and Mayo College at Ajmer for the Indian princes.
For the...
















