Vinegar is an acidic liquid that is made through fermentation of ethanol by acetic acid bacteria. It is used in cooking for ...

Chalk is a fine-textured form of limestone. It is composed of several tiny fragments of the calcite shells or skeletons of ...

A chemical compound is a chemical substance consisting of two or more different chemically bonded chemical elements, with a fixed ratio determining the composition. The ratio of each element is ...

In chemistry, the chemical nomenclature of ionic and molecular compounds uses a systematic approach of prefixes to indicate ...

Chemical Reactions - Ionic Formula Writing: Students learn how to write formulas. Chemical Reactions - Ionic Formula Writing Students learn how to write formulas for a variety of ionic compounds ...

Students learn to define and identify organic compounds. Chemical Reactions: Writing Molecular Formulas and an Introduction to Organic Molecules: Students learn to define and identify organic ...

Everything we can see and touch, and quite a lot that we can’t as well, is made of tiny particles called atoms. Some substances, like particles of this iron, contain only one kind of atom. Iron is an ...