Jul 15, 2020

Everything You Need To Know About Basic Periodic Table


  • The Periodic Table was discovered by Dmitri Ivanovich Mendeleev,1869
  • Modern Periodic Table was discovered by Henry Moseley
  • Father of Periodic Table Dmitri Ivanovich Mendeleev
  • Elements were classified on the basis of Atomic Volumes by Lother Meyer
  • The Periodic table of Mendeleev was based on increasing order of Atomic Mass
  • The Modern Periodic table of Moseley was based on increasing order of Atomic Number
  • Law of Triads was put forward by Dobereiner
  • Law of Octaves was put forward by John Newlands
  • The Scientist who established measuring and weighing methods in Chemistry Lavoisier
  • Horizontal Rows of elements in a periodic table is known as Periods
  • Vertical Columns of elements in a periodic table is known as Groups
  • The Last Natural Element in Periodic Table - Uranium
  • The Natural element having Highest atomic weight and atomic number - Uranium
  • The first Artificial Element - Technitium ( Atomic number : 43 )
  • Element on Left side of the Periodic Table - Metals
  • Element on Right side of the Periodic Table - Non Metals
  • Group 1 Elements are called - Alkali Metals
  • Group 2 Elements are called - Alkaline Earth Metals
  • Elements with Atomic number 58 - 71 are known as Lanthanides ( Rare Metals )
  • Elements with Atomic number 90 - 103 are known as Actinides ( Radioactive Rare Earths )
  • Elements of Group 17 are called Halogens
  • The elements present in 1 , 2 and 13-18 groups are known as Representative Elements
  • The elements present in 3 - 12 groups are known as Transition Elements
  • The Liquid metal at Room Temperature - Mercury
  • The Liquid non metal at Room Temperature - Bromine
  • The Elements used in the dials of Clock - Radium
  • The metal which is used in Atomic Clocks - Caesium
  • The Radioactive liquid Element -Francium
  • The Radioactive gaseous Element - Radon
  • The metal which shows least expansion - Caesium
  • Element having the name of ‘ Sun ’ -  Helium
  • Element having the name of ‘ Earth ’ - Tellurium
  • Element having the name of ‘ Moon’ - Selenium
  • Element having the name of an ‘ Asteroid’ - Palladium
  • First Asian Country to discover an element  - Japan ( Element name : Nihonium )

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