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6thGrChemistry
Question | Answer |
---|---|
The smallest piece of matter having all the chemical properties of that matter. | Atom |
The temperature at which a liquid boils and becomes a gas. | Boiling point |
A. change that occurs when one or more substances are changed into entirely new substances with different properties; cannot be reversed using physical means. | Chemical change |
A pure substance composed of two or more elements that are chemically combined | Compound |
The amount of matter in a given space or volume. | Density |
A pure substance that cannot be separated into simpler substances by physical or chemical means. | Element |
Liquid turning into gas at the surface of a liquid. | Evaporation |
The amount of matter that something is made of. | Mass |
Anything that has volume and mass. | Matter |
The temperature at which a substance changes from a solid to a liquid. | Melting point |
A group of chemical compounds that have carbon and hydrogen together. | Organic |
A change that affects one or more physical properties of a substance; some can be undone. | Physical Change |
A solid that emerges from a liquid solution. | Precipitate |
The change of state from a liquid to a gas (includes boiling and evaporation). | Vaporization |
The amount of space that something occupies. | Volume |