Explore this interactive periodic table featuring videos, illustrations, and information about the first 20 elements. Preparing the Next Generation of Chemical Technical Professionals Access teacher ...

THIS volume of 144 pages consists of an expansion of the author's notes of lessons prepared for teaching children from nine to thirteen years of age according to the outlines given in the education ...

AMONG the large number of text-books of elementary chemistry written for the use of schools, this volume will take its place with the very few that are not specially designed to prepare the student ...