An Illustrated History of Science by Mary Cruse;

Author:Mary Cruse; [Mary Cruse]
Language: eng
Format: epub
Tags: Reference
ISBN: 9781838577339
Publisher: Vearsa

Dmitri Mendeleev’s table of the elements, which cracked the chemical code.

Did You Know?

Before Jöns Jacob Berzelius established the practice of referring to all chemical elements by letters, some were represented with symbols, such as a circle with a line through it or a plus sign inside.

An element is a substance that contains only one type of atom. If a substance contains more than one type of atom, then it’s a compound.

THE VOLTAIC PILE

The Italian physicist Alessandro Volta was the first to invent a functional electrical battery – a discovery that helped to usher in a new age of research into electrical phenomena. Working at the turn of the 19th century, Volta was intrigued by the concept of ‘animal electricity’. In the 1790s, another Italian scientist, Luigi Galvani, had observed that movement could be triggered in the legs of a recently dead frog if the nerves were connected to two different metals.

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