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24 terms

Properties and Changes of Matter

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chemical change
a change that occurs when one or more substances change into entirely new substances with different properties
chemical equation
a representation of a chemical reaction that uses symbols to show the relationship between the reactants and the products
chemical property
a property used to characterize materials in reactions that change their identity
combustibility
The chemical property of being able to burn
density
the ratio of the mass of a substance to the volume of the substance
ductility
the ability to be stretched into wire
flammability
the ability of a substance to burn
inertia
the tendency of an object to resist being moved or, if the object is moving, to resist a change in speed or direction until an outside force acts on the object
Law of Conservation of Mass (Matter)
the law that states that mass cannot be created or destroyed in ordinary chemical and physical changes
malleability
the ability to be hammered or shaped without breaking
mass
a measure of the amount of matter in an object
physical change
a change of matter from one form to another without a change in chemical properties
physical property
a characteristic of a substance that does not involve a chemical change, such as density, color, or hardness
precipitate
a solid that is produced as a result of a chemical reaction in solution
product
a substance that forms in a chemical reaction
reactant
a substance or molecule that participates in a chemical reaction
reaction
a process in which one or more substances are changed into others
reactivity
the ability of a substance to combine chemically with another substance
volume
a measure of the size of a body or region in three-dimensional space
weight
a measure of the gravitational force exerted on an object; its value can change with the location of the object in the universe
meniscus
the curve at a liquid's surface by which one measures the volume of the liquid
matter
anything that has mass and takes up space
thermal conductivity
the rate at which a substance transfers heat
solubility
the ability of one substance to dissolve in another at a given temperature and pressure