December 2, 2016The periodic spiral of the elementsVideo of a periodic table rotating to show that the periodic table is not flat; that the Alkali metals are next to the Noble gasses. Categories Chemistry Comments: 0
November 22, 2016Excel spreadsheet for calculating molar masses and percent compositionOver a decade ago I made a Quatro-Pro spreadsheet to make quick calculations from masses on the periodic table. Well, now Excel rules the roost, so I created a similar version using Excel. The fundamental element of the spreadsheet is that the cell with each mass is given a name that is the symbol for the element. So, for example,... Categories Chemistry/Computers and the web/Science Education Comments: 2