Talk:Polar surface area

Unit used
140 angstroms squared: To me this statement is readable in two ways: AS there is a slight difference between the two values, some disambiguation would be helpful.T.vanschaik (talk) 13:43, 23 January 2015 (UTC)
 * either a surface is meant measuring 140*10-10 m. wide and 140*10-10 m long, multiplying to 1.96*10-16 m2
 * or a total surface of 140*10-20 m2 is meant.