a mixture that does not have a uniform composition; substances are not evenly spread throughout

a mixture that has a uniform composition; substances are evenly spread throughout

a mixture in which the particle of a material are spread throughout a liquid or gas but are too large to stay mixed without being stirred or shaken

one substance dissolved in another substance

a mixture in which the particles of a material are spread throughout a liquid or gas but are small and do not settle out quickly

Sucrose is another name for table sugar. Sucrose is a compound made from the elements carbon, hydrogen, and oxygen. Which statement best describes the properties of sucrose?

David found that water can be created in a lab by burning hydrogen gas in the air. He concluded that water is not a compound because only hydrogen was used to form the water. What is wrong with David's conclusion?

Each element is a pure substance that cannot be broken down into simpler materials by ordinary means is is represented by a unique chemical symbol.

Atoms combine in different ways to make up all of the substance you encounter every day.

Saltwater can be separated into salt and water. Therefore, it is a mixture.

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