Publishing as Benjamin Cummings. 3. A pure substance is classified as. â¢ matter with a specific and constant composition. â¢ an element when composed of one type of atom. â¢ a compound when composed of two or more. elements combined in a definite ratio. Pure Substances.
Hudson is a city in Lenawee County in the U.S. state of Michigan. The population was 2,307 at the 2010 census.
Shelbytwp.org is the official web site of the Charter Township of Shelby in Macomb County, Michigan. Shelby Township has more than more than 1,200 acres of first-class public parks and access to the Clinton River, but its greatest recreation amenity may be its hundreds of miles of hiking and biking trails. Click for more.