User contributions for 110027922

A user with 4 edits. Account created on 7 November 2011.
Jump to navigation Jump to search
Search for contributionsExpandCollapse
⧼contribs-top⧽
⧼contribs-date⧽

25 October 2012

27 November 2011

  • 18:2418:24, 27 November 2011 diff hist +510 Nm Periodic Table Created page with "The periodic table was first developed in 1789 by Antoine Lavoisier who listed 33 known chemical elements. Since this date the table has been continually modified as new elements..."