User contributions for 120056000

22 October 2013

• 13:3013:30, 22 October 2013 diff hist +135 N Visible light Created page with "Visible light is the region of the electromagnetic spectrum than can be seen by the human eye, this is normally between 390-700nm."

30 November 2012

• 15:3815:38, 30 November 2012 diff hist +126 Structural isomerism No edit summary
• 15:3315:33, 30 November 2012 diff hist +102 N Structural isomerism Created page with "Isomers are two or more molecules with the same molecular formula but different stuctural arrangement."