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Chemisty Ch. 1
Chapter 1 Test
| Question | Answer |
|---|---|
| The study of the composition, structure, and properties of matter and the changes it undergoes. | Chemistry |
| Any substance with a definite composition. | Compound |
| Lgical approach to solving problems by observing and collecting data formulating hypotheses, testing hypotheses, and formulating theories that are supported by data. | Scientific Method |
| Use of senses to obtain information. | Observing |
| Specific portion of matter in a given region of a space that has been selected for study during and experient or observation. | System |
| Statements that apply to a range of information. | Generalizations |
| Testable statement. | Hypotheses |
| Explanation of how phenomena occur and how events or data are related. | Model |
| Broad generalization that explains a body of facts or phenomena. | Theory |
| Anything that has mass and takes up space. | Matter |
| The amount of three-demensional space an object occupies. | Volume |
| Measure of the amount of matter. | Mass |
| Smallest unit of an element that maintains the properties of the element. | Atom |
| Pure substance made of only one kind of atom. | Element |
| Substance that is made from the atoms of two or more elements chemically bonded. | Compound |
| Smallest unit of a compound that retains all the properties of that compound. | Molecule |
| Property that depends on the amount of matter present. | Extensive Property |
| Property that does not depend on the amount of matter present. | Intensive Property |
| Characteristic that can be observed or measured without changing the identity. | Physical Property |
| A change in a substance that does not ivolve a change in the identity of a substance. | Physical Change |
| Relates o a substances abiliy to undergo changes that transform it into a different substance. | Chemical Properties |
| Change in which one or more substances are converted into different substances. | Chemical Change |
| Blend of two or more kinds of matter, each of which retains its own identity and properties. | Mixture |
| Substance that has a fixed composition and the same characteristics throughout. | Pure Substance |
| An element that is a good conductor of heat and electricity. | Metal |
| An element that is a poor conductor of heat and electricity. | Nonmetals |
| A element that has characters of both metals and nonmetals. | Metalloid |
Created by:
alexisnicole
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