sodium

Text and color illustrations explore the historical, nutritional, and economic importance of salt.

Provides information about the chemical element sodium, explaining what it is, its characteristics, where it is found, how it was discovered, and how it is extracted and used.

Presents an introduction to sodium, in simple text with illustrations, including explanations of what it is, how it was discovered, why the human body needs it, and more.

Discusses the origin, discovery, special characteristics, and uses of the sixth most abundant element in the Earth's crust.

Describes the properties and industrial uses of sodium, lithium, potassium, rubidium, cesium, and francium, discussing the reactivity trend in the alkali metals, their reactions with water, their flame test colors, and everyday objects made from them.

Provides an introduction to sodium, explaining what it is, discussing its place in the Periodic Table, examining the sources of sodium, looking at its importance as a food preservative and its use for other purposes, and looking at the role of sodium in the human body.