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A pure substance that cannot be broken down into a simpler substance by physical or chemical means |
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A substance in which there is only on type of particle |
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Shiny, conduct heat and electric current. Also they are malleable and ductile |
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Do not conduct electricity or heat, and are dull. are not malleable or ductile |
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Contain characteristics of metals and non-metals |
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is composed of two or more elements that are chemically combined |
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Soft, silvery white material that violently reacts with water |
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A greenish yellow poisonous gas |
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Table salt that includes Chlorine and sodium it is a White solid, It is edible and it dissolves in water |
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A combo of two or more substances that are not chemically combined |
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Is a process that separates a mixture based on the boiling points of the components. |
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Separates the mixtures by the densities of the components |
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A mixture that appears to be a single substance |
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The substance that is dissolved |
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The substance in which the substance is dissolved |
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Measure of the amount of solute dissolved in the solvent |
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The ability of a solute to dissolve in a solvent at a certain temperature |
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By stirring or shaking causes the solute particles to separate from one another and spread out more quickly among particles |
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causes particles to move more quickly |
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Crushing the solute increases the amount of contact it has with the solvent |
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A mixture in which particles of a material are dispersed through a liquid or a gas but are large enough so that they settle out |
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A mixture in which the particles are dispersed throughout but are not heavy enough to settle out |
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The basic unit of matter, one makes up a pure substance |
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can be used to separate a mixture containing the elements iron and aluminum |
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Ways to separate a mixture |
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Distillation, magnet, centrifuge |
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Characteristics of Mixtures |
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MAde of elements, compuonds or both, there is no change in the original properties of components. It is separated by physical means, and is formed using any ratio of components |
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Characteristics of compounds |
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It is made of elements, there is no change in original properties of compounds. It is separated by chemical means, and it is formed using a set ratio of components. |
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The process where the particles of a substance spread and separate evenly in a mixture |
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Solid solutions of metals or non-metals dissolved in metals |
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contains less solute than a concentrated item which contains much more solute |
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physical forms in which a substance can exist |
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A state of matter that has a definite shape and volume |
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The state of matter that has a definite volume but takes the shape of its container |
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A force that acts on the particles at the surface of a liquid |
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A liquid’s resistance to flow |
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The state of matter that has no definite shape or volume |
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A measure of how fast the particles in an object are moving. |
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The amount of space that an object takes up |
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Amount of force exerted on a given area of surface |
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States that for a fixed amount of gas at a constant temperature, the volume of the gas is inversely related to the pressure. So, as the pressure of a gas increases, the volume decreases by the same amount |
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States that for a fixed amount of gas at a constant pressure, the volume of the gas changes in the same way that the temperature of the gas changes. So, if the temperature increases, the volume of gas also increases by the same amount |
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The change of a substance from one physical form to another |
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The change of state from a solid to a liquid. This change of state is what happens when ice melts. |
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The change of a substance from a liquid to a gas. Evaporation can occur at the surface of a liquid that is below its boiling point |
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The change of a liquid to a vapor, or gas, throughout the liquid. Boiling occurs when the pressure inside the bubbles, which is called vapor pressure, equals the outside pressure on the bubbles, or atmospheric pressure. |
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The change of state from a gas to a liquid |
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The change of state in which a solid changes directly into a gas |
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The temperature at which the gas becomes a liquid |
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The temperature at which a liquid boils |
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The temperature at which a substance changes from a solid to a liquid |
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