This book is a result of an effort made by us towards making a contribution to the preservation and repair of original classic literature. In an attempt to pres

Are you looking for ideas to make your science teaching come alive? Full of suggestions for exciting and practical activities to engage children, Practical Scie

PRINCIPLES OF MODERN CHEMISTRY has dominated the honors and high mainstream general chemistry courses and is considered the standard for the course. The fifth e

Explains the characteristics of alkali metals, where they are found, how they are used by humans, and their relationship to other elements found in the periodic