Saturday, 1 June 2019

Chemistry discovery of element's

Chemistry - Discovery of Elements

Introduction

  • Most likely copper was the first element, which was mined and used by humans.
  • The evidence of earliest use of copper was found in Anatolia, which belongs to 6,000 BCE.
  • The lead was most likely the second element that humans start using.
  • The oldest known artifact of lead is statuette, which was found in a temple of Osiris, Abydos, Egypt.
  • The statuette of Osiris temple belongs to (about) 3,800 BCE.
  • The oldest known gold treasure was discovered in Varna, Necropolis (Bulgaria).
  • This gold treasure belongs to (about) 4,400 BCE.
  • Discovery of silver is almost same as of gold; its evidence was found in Asia Minor.
  • Some evidence say that the iron was known from (about) 5,000 BCE.
  • The oldest known iron objects, which was used by the humans, were found in Egypt (belongs to 4000 BCE).
  • The following table illustrates the significant elements with their discovery date and discovers −
ElementDiscovererDiscovery Date
CopperMiddle East (Place)About 9,000 BCE
LeadEgypt (Place)About 7,000 BCE
GoldBulgaria (Place)About 6,000 BCE
SilverAsia Minor (Place)About 5,000 BCE
IronEgypt (Place)About 5,000 BCE
TinAbout 3,500 BCE
SulfurChinese/IndiaAbout 2,000 BCE
MercuryEgypt2,000 BCE
PhosphorusH. Brand1669
CobaltG. Brandt1735
PlatinumA. de Ulloa1748
NickelF. Cronstedt1751
BismuthC.F. Geoffroy1753
MagnesiumJ. Black1755
HydrogenH. Cavendish1766
OxygenW. Scheele1771
NitrogenD. Rutherford1772
BariumW. Scheele1772
ChlorineW. Scheele1774
ManganeseW. Scheele1774
MolybdenumW. Scheele1781
TungstenW. Scheele1781
ZirconiumH. Klaproth1789
UraniumH. Klaproth1789
TitaniumW. Gregor1791
ChromiumN. Vauquelin1797
BerylliumN. Vauquelin1798
VanadiumM. del Río1801
PotassiumH. Davy1807
SodiumH. Davy1807
CalciumH. Davy1808
BoronL. Gay-Lussac and L.J. Thénard1808
FluorineA. M. Ampère1810
IodineB. Courtois1811
LithiumA. Arfwedson1817
CadmiumS. L Hermann, F. Stromeyer, and J.C.H. Roloff1817
SeleniumJ. Berzelius and G. Gahn1817
SiliconJ. Berzelius1823
AluminiumH.C.Ørsted1825
BromineJ. Balard and C. Löwig1825
ThoriumJ. Berzelius1829
LanthanumG. Mosander1838
RubidiumR. Bunsen and G. R. Kirchhoff1861
ThalliumW. Crookes1861
IndiumF. Reich and T. Richter1863
HeliumP. Janssen and N. Lockyer1868
NeonW. Ramsay and W. Travers1898
XenonW. Ramsay and W. Travers1898
FermiumA. Ghiorso et al1952
NobeliumE. D. Donets, V. A. Shchegolev and V. A. Ermakov1966
DubniumA. Ghiorso, M. Nurmia, K. Eskola, J. Harris and P. Eskola1970
TennessineY. Oganessian et al2010
 Chemistry 

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