Overview
Pure substances and mixtures are fundamental concepts in chemistry that help us understand the composition of matter. A pure substance consists of only one type of particle, which can be an element or a compound, while mixtures are combinations of two or more substances that retain their individual ...
Key Terms
Example: Oxygen (O) is an element essential for respiration.
Example: Water (H₂O) is a compound made of hydrogen and oxygen.
Example: Saltwater is a homogeneous mixture.
Example: Salad is a heterogeneous mixture.
Example: Using a coffee filter to separate coffee grounds from liquid.
Example: Separating alcohol from water.
Related Topics
Key Concepts
ElementsCompoundsHomogeneous MixturesHeterogeneous Mixtures