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is a single kind of matter that is pure, meaning that it always has a specific makeup -and a specific set of properties
is a characteristic of a pure substance that can be observed without changing it into another substance.
is a characteristic of a pure substance that describes its ability to change in different substances.
is a pure substance that cannot be broken down into any other substances by chemical or physical means.
is a pure substance made of two or more elements chemically combined in a set ratio. Ex. NA+CL. one atom to one atom ratio=NACL molecule
A mixture with uneven distribution of different substances, solids, liquids, gases.
contains two or more substances that evenly mixed on a molecular level but still are not bonded together
is an example , a homogeneous mixture of two or more substances, a homogeneous mixture of two or more substances
a change that alters the form or appearance of a material but does not convert the material into new substances
A change in which a substance is converted into a substance with different composition and properties
law of conservation of matter
a fundamental principle of classical physics that matter cannot be created or destroyed in an isolated system
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