CHE 121: Chapter 1 Word Scramble
|
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Question | Answer |
Chemistry | The study of the nature, properties, and transformations of matter. |
Matter | The physical material that makes up the universe; anything that has mass & occupies space. |
Scientific Method | The systematic process of observation, hypothesis, and experimentation used to expand and refine a body of knowledge. |
Property | A characteristic useful for identifying a substance or object. |
Chemical Change | A change in the chemical makeup of a sunstance. |
Solid | A substance that has a definite shape and volume. |
Liquid | A substance that has a definite volume but assumes the shape of its container. |
Gas | A substance that has neither a definite volume of shape. |
State of Matter | The physical state of a substance as a solid, liquid, or gas. |
Change of State | The conversion of a substance from one state to another- for example, from liquid to gas. |
Pure Substance | A substance that has a uniform chemical composition throughout. |
Mixture | A blend of two or more substances, each of which retains its chemical identity. |
Element | A fundamental substance that cannot be broken down chemically into any simpler substance. |
Chemical Compound | A pure substance that can be broken down into simpler substances by chemical reactions. |
Reactant | A starting substance that undergoes change during a chemical reaction. |
Chemical Reaction | A process in which the identity and composition of one or more substances are changed. |
Chemical Formula | A notation for a chemical compound using element symbols and subscripts to show how many atoms of each element are present. |
Periodic Table | A tabular format listing all known elements. |
Metal | A malleable element with a lustrous appearance that is a good conductor of heat and electricity. |
Nonmetal | An element that is a poor conductor of heat and electricity. |
Metalloid | An element whose properties are intermediate between those of a metal and a nonmetal. |
What kind of properties does matter have? | Physical Properties & Chemical Properties |
Physical Properties | can be seen or measured without changing the chemical identity of the substance. |
Chemical Properties | can ONLY be seen or measured when the substance undergoes a chemical change, such as a chemical reaction. |
Created by:
1084741287
Popular Chemistry sets