Classic Illustrated Model of the
Chemical Element System
Systemized by strictly following the Periodic Law, the Alexander Arrangement of Elements format of continuous and contiguous elements, groups, and blocks full color depiction of the ACTUAL arrangement of nature's chemical elements is available in this three-dimensional model, 13.75" tall, and fits within a 15.5" circle.
It is intended for validation of the Periodic Law in the lesson with mass & trends, prior to the Periodic Table.
Trends learning is greatly improved by the joining of the Main Group elements, normally at opposite edges of the Periodic Table.
Discounted Illustrated Model of the Chemical Element System