Matter

Term Definition Example
Pure substance A substance made up of one kind of matter that can combine chemically(element or compound) Oxygen, gold, carbon dioxide, distilled water
Compound A combination of two or more elements in fixed proportions Carbon dioxide, distilled water, ammonia, salt
Mixture Two or more substances combined together Salt water, orange juice, tap water, milk, chocolate chip cookie
Homogeneous Mixture Mixtures that look like they only have one set of properties Apple juice, ink, black coffee, food coloring, salt water, tap water
Heterogeneous Mixture Mixtures that have two or more components which are still visible Chocolate chip cookie, dirt, raisin bread, Italian salad dressing
Colloid A heterogeneous mixture in which particles don't settle Milk, mayo
Solution A homogeneous mixture of two or more substances Salt water, apple juice
Suspension A heterogeneous mixture in which particles of one substance are held together by another and slowly settle after mixing Orange juice(pulp), Italian salad dressing, clay mixed with water
Mechanical Mixture An obviously heterogeneous mixture Pizza, dirt
Element Pure substance with one type of particle Gold, mercury, iron, nitrogen

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