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Unit 1 Matter
Term | Definition |
---|---|
Matter | Anything that has mass and takes up space. |
Physical Property | A characteristic that can be observed or measured without changing the identity of the substance. |
Chemical Property | Relates to a substances ability to undergo changes that transform it into different substances. |
Physical Changes | A change in a substance that does not involve a change in the identity of the substance. |
Extensive Property | Depend of the amount of matter that is present. |
Intensive Property | Do not depend on the amount of matter present. |
Ductility | The ability of a substance to be hammered thin or drawn out into a wire. |
Malleability | The ability of a substance to be hammered or beaten into a sheet |
Volume | The amount of space occupied by an object. |
Compressibility | The measure of how much a given volume of matter is. |
Density | Is the ratio of mass to volume, or mass divided by volume. |
Evaporation | The change of a substance from a liquid to a gas. |
Sublimation | The process in which a solid changes directly into a gas. |
Vaporization | The process by which a liquid or solid changes to a gas. |
Element | A pure substance that cannot be broken down into simpler, stable substances and is made of one type of atom. |
Compound | A substance that can be broken down into simple stable substances. |
Heterogeneous Mixture | Composed of dissimilar components. |
Homogeneous Mixture | Describes something that has uniform structure or composition throughout. |
Atom | The smallest particle of an element that retains the chemical properties of that atom. |
Chemical Change | A change in which one or more substances are converted into different substances. (chemical Reaction) RXN |
Physical Change | A change in a substance that does not involve a change in the identity of the substance. (Change in the state of matter) |