1.  fundamental substance; cannot be separated into smaller substance by chemical methods

1. matter consisting of two or more pure substances that retain their individual identities and can be separated by physical methods

mixture having a uniform composition and properties throughout

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also called solution

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1. mixture not uniform in composition and properties throughout

substance that yields hydrogen ions (H+) when dissolved in water; usually defined by their sour taste

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substance that yields hydroxide ions (OH-) when dissolved in water; characterized by a bitter taste and a slippery texture.

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(a heterogeneous mixture) a dispersion of particles of one substance throughout a dispersing medium made of another substance; particles are spread evenly throughout the dispersion medium.

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anything that occupies space and has mass

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 element that usually poor conductors of heat and electricity

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element with properties intermediate between those of metals and non-metals

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compounds that contain carbon, usually in combination with elements such as hydrogen, oxygen, nitrogen and sulfur

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are carbon-based compounds and are usually derived from living things (such as plants or animals).

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 are compounds that do not contain carbon atoms and can be found in minerals, rocks, and water.

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substances that contains at least one oxygen atom and one other element in its chemical formula

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is the product of the reaction between an acid and a base (other than water).

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any salt that doesn’t contain carbon

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 a homogeneous mixture of two or more substances

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a form of matter that has definite or constant composition; differ from one another in composition and can be identified by their appearance, smell, taste, and other properties.

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heterogeneous mixture in which relatively large particles scattered through solid, liquid, gas and it is bigger than solution and colloid

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