1 Pure substances are further broken down into elements and compounds. Mixtures are physically combined structures that can be separated into their original components.  A chemical substance is composed of one type of atom or molecule.
Lynnwood 10 Day Weather. Thursday:The Lynnwood forecast for Apr 13 is 51 degrees and Patchy light rain. There is 76 percentage chance of rain and 9 mph winds from the South. Friday:The Lynnwood forecast for Apr 14 is 48 degrees and Patchy rain possible.
Lynnwood is located in Snohomish County in Washington. 1  Population: 36,097. 2  Area: 7.85 sq. miles Land Area: 7.84 sq. miles. Water Area: 0.02 sq. miles. 3  Population Density: 4,596.58 people per sq. mile.  Elevation: 415.35 1  ft. Time Zone: Pacific Standard Time (GMT 2  -8) Daylight Savings:  Yes.