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Discovering of phosphorus
Robert Boyle discover phosphorus in 1680 and it went public -
Discover of elements
In 1809 47 more elements were discover and began to see the different patterns and characteristics -
Dividing elements
John Newlands divided and discover 56 elements into 11 groups based on there characteristics -
Development of periodic table
Dimitri Mendeleev started the development of the periodic table arranging chemical elements by atomic mass -
How group 0 was created
William Ramsay discovered the noble gases which were added to the table as a group 0 -
Discovering of negative electrons
Physicist I thosom discover electrons small negative charge particles in a atom -
Orbit of electrons
Rutherford discover discover electrons orbit the nucleus of an atom -
Discover of neutrons
James Chadwick first discover neutrons and isotopes were identified this complete the basics for the periodic table
