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Matter and Energy Test

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Matter and Energy Test A chemical Change occurs when: a. Dissolved minerals solidify to form a crystal b. Ethanol is purified through distillation. c. salt deposits form from evaporated seawater. ... d. A leaf changes color in the fall - ANS-d A compound is... - ANS-A substance made of two or more atoms that are chemically bonded, that can be broken down into simpler, stable substances. A mixture is..... - ANS-a blend of any two or more kinds of matter, as long as each maintains its own unique properties. A sample of matter can be poured from container to container. It takes the shape of its container but only takes up a certain volume. This sample is _______state. - ANS-Liquid A solid substance is - ANS-always the same shape regardless of container A state of matter in which a material has no definite shape but has a definite volume in the _____ state. - ANS-liquid An alloy such as a gold ring is an example of an _____________ mixture. - ANS-Homogeneous An apple turning brown after being cut is an example of - ANS-Chemical Change An atom is - ANS-Smallest unit of matter that maintains its chemical identity. If a mixture is not uniform throughout, it is called.. - ANS-heterogeneous If a mixture is uniform in composition, it is said to be... - ANS-homogeneous Iron and sulfur, when heated, from an iron sulfide that has different properties from either iron or sulfur. The formation of iron sulfide is an example of a __________ change. - ANS-Chemical Matter that has neither a [Show More]

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