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unit1 matter
Term | Definition |
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matter | matter can thus be defined as anything that has mass and takes up space |
physical property | is a characteristic that can be observed or measured without changing the identity of the substance |
chemical property | it relates to a substances ability to undergo changes that transform it into different substance |
extensive property | depends on the amount of matter that is present |
intensive property | Do not depends on the amount of matter present |
ductility | The ability of a substances to be hammered thin or draw out into a wire |
malleability | The ability of substance to be hammered or beaten into a sheet |
volume | A measure of a body or region in three-dimensional space |
compressibility | The measure of how much a given volume of matter decreases when placed under pressure |
density | The ratio of the mass of a substance of the volume of the substance ; often expressed as grams per cubic centimeter for solids and liquids and as grams per liter for gases |
evaporation | The changes of a substance from liquid to a gas |
sublimation | The process in which a solid gas changes directly into a gas |
vapourization | The process by which a liquid or solid changes to gas |
elements | Is a pure substance that cannot be broken down into simpler, stable substances and is made of one type of atom. |
compound | Is a substances that can be broken down into simple stable substances. |
heterogeneous mixture | For examples, in a mixture of clay and water, heavier clay particles concentrate near the bottom of the container |
homogeneous mixture | They have the same proportion of compounds throughout. |
Atom | Is the smallest unit of an element that maintains the chemical identify of that element |