front 1 the smallest unit of an element that has the properties of that element | back 1 atom |
front 2 material that has mass and takes up some amount of space | back 2 matter |
front 3 a pure substance that cannot be broken down into simpler substances by chemical reactions | back 3 element |
front 4 a chemical combination of two or more elements | back 4 compound |
front 5 a combination of substances that can be physically separated from one another | back 5 mixture |
front 6 made up of two or more distinct components; usually refers to a mixture in which individual substances are distinct | back 6 heterogeneous mixture |
front 7 made up of one uniform component; often used to describe a mixture with a consistent composition and a single phase throughout | back 7 homogeneous mixture |
front 8 matter with a fixed volume and shape | back 8 solid |
front 9 a state of matter with a defined volume but no defined shape | back 9 liquid |
front 10 a state of matter without any defined volume or shape in which atoms or molecules move about freely | back 10 gas |
front 11 an object's mass divided by its volume; a measure of how many particles are packed together into a certain amount of space | back 11 density |
front 12 the amount of matter in an object | back 12 mass |
front 13 the amount of space an object or substance takes up | back 13 volume |
front 14 a subatomic particle with a positive charge that is located in the nucleus of an atom | back 14 proton |
front 15 a subatomic particle with no electric charge, located within the nucleus of the atom | back 15 neutron |
front 16 a subatomic particle with a negative charge | back 16 electron |
front 17 a heterogeneous mixture in which moderate sized particles are suspended in a liquid or gas where they are supported by buoyancy | back 17 suspension |
front 18 the ability of a substance to be dissolved in a liquid | back 18 solubility |
front 19 a material with a particular chemical makeup | back 19 pure substance |
front 20 electrically-charged particle (positive or negative) | back 20 ion |