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Substances/Mixtures
6th Physical Science
Question | Answer |
---|---|
The smallesst unit of an element that maintains the properties of that element. | atoms |
The 3 major classes of matter... | elements, compounds, and mixtures |
A substance made up of one type of atom. | element |
A particle made up of two or more atoms that are joined together chemically. | molecule |
Two or more elements made up of different kinds of atoms chemically combine. | compound |
A substance that contains a variety of elements and compounds that are not chemically combined with each other. | mixture |
A substance that has definite physical and chemical properties such as appearance, melting point, and reactivity. | pure substance |
A mixture that does not have a uniform composition. | heterogeneous mixture |
A mixture where substances are evenly spread throughout. | homogeneous mixture |
A type of heterogeneous mixture in which the particles are spread throughout but are too large to stayed mixed without being stirred/shaken. | suspensions |
Homogeneous mixture where one substance is dissolved in another substance. | solutions |
A type of mixture where SMALL particles spread throughout a liquid or gas, but do not settle out quickly. | colloids |