3.3 Chemical Properties

Use the periodic table to identify elements in compounds. Give examples of how compounds are formed. Chemically combine elements to form a substance with unique properties.

Study Guide

Explain each concept

è A molecule is the smallest particle of a compound with the chemical properties of the compound.

è Diatomic elements are the only elements found in nature as diatomic molecules consisting of two atoms of the same element covalently bonded together.

è Chemical properties describe the ability to change into a new substance with new properties.

è Chemical bonding is the joining of atoms to form new substances.

è Chemical properties can be observed only when one substance becomes a new substance.

è A chemical change occurs when one or more substances are changed into a new substance.