6th Grade Elements and Compounds Worksheet

A pure substance that cannot be broken down chemically.
Naturally occuring materials found on earth such as mineral, rock, soil, and water
A mixture of gases that surround the Earth
The number written after an element symbol in a chemical formula that indicates the number of atoms of a specific element
An element that occurs in all organic compounds and can be found in all forms of life
A shorthand representation of an element or compound using chemical symbols
a substance made up of only one type of atom or one type of mixture
One or two letter abbreviation representing a chemical element
a substance that consists of 2 or more combined in a set ratio
The layer of gas surrounding a planet that is held in place by gravity
The sum of all living matter on Earth
A table in which all the known elements are arranged by properties and are represented by chemical symbols