Question
Mon June 18, 2012 By:

perodic table

Expert Reply
Tue June 19, 2012
The idea of a 3D periodic table is not new: in 1862 Alexandre Beguyer de Chancourtois published a description of his method for arranging the elements in a helix, on the surface of a cylinder. Something as shown below:

Related Questions
Tue March 07, 2017

Testing

Home Work Help