Properties of Matter

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Mass

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A measure of the amount of matter in an object, typically in kilograms, milligrams or grams.

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Volume

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The amount of space that a substance or object occupies.

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Density

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The mass per unit volume of a substance, often expressed in grams per cubic centimeter (g/cm³) or grams per milliliter (g/mL).

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State of Matter

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The distinct forms that different phases of matter take on, including solid, liquid, and gas.

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Solid

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A state of matter characterized by particles arranged such that their shape and volume are relatively stable. The particles of a solid are locked in place and can only vibrate.

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Liquid

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A state of matter with a definite volume but no fixed shape, adapting to the shape of its container. The particles of a liquid can slip and slide past one another. The particles of a liquid are in constant motion.

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Gas

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A state of matter without a definite shape or volume, with particles that move freely and spread apart. The particles of a gas are movign rapidly, in all directions and collide with each other and the walls of their containers.

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Solubility

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The ability of a substance to dissolve in a solvent, forming a solution.

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Melting Point

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The temperature at which a solid becomes a liquid.

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Boiling Point

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The temperature at which a liquid changes to a gas.