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Chem - Chapt 1 vocab
Chem- Chapt 1 vocab
| Term | Definition |
|---|---|
| Chemistry | The study of matter and the changes it undergoes. |
| Organic chemistry | The study of carbon-containing compounds. |
| Inorganic chemistry | The study of substances that don’t have carbon. |
| Analytical chemistry | Chemistry that focuses on the composition of matter. |
| Physical chemistry | The study of the behavior of materials. |
| Biochemistry | The chemistry of living things. |
| Observe | The first step in the scientific method. |
| Hypothesis | A possible explanation of observations in the natural world; second step in the scientific method. |
| Experiment | A systematic way of testing a hypothesis by gathering data; third step in the scientific method. |
| Theory | A hypothesis with significant experimental evidence to support it; fourth step in the scientific method. |
| Take action | The fifth step in the scientific method. |
| Scientific thinking | A way of thinking introduced by the emergence of modern science. |
| Natural law | A statement or fact that applies to many scientific situations. |
| Physical properties | Characteristics of a substance that can be observed without a chemical change. |
| Chemical properties | Characteristics of a substance that describe how well it reacts chemically. |
| Physical changes | A change in the state of appearance of a substance. |
| Chemical changes | A change in the identity of a substance; a chemical reaction. |
| Reactants | The substances before the reaction (on the left side). |
| Products | The substances after the reaction (on the right side). |
| Law of conservation of mass | A law which states that matter can not be created or destroyed in a chemical reaction. |
| Elements | The simplest form of matter which has only one type of atom. |
| Compounds | A chemical fusion of two or more elements. |
| Pure substances | A substance that has no component of another compound or element, made of only one type of atom or molecule. |
| Mixture | A physical blend of two or more substances. |
| Homogeneous mixture | A uniform mixture which has the same composition throughout, also called solutions. |
| Heterogeneous mixture | A mixture that is not uniform in composition, components are not evenly distributed throughout the mixture. |
| Solid | A state of matter which has a definite shape and volume. |
| Liquid | A state of matter which has no definite shape but has a definite volume. |
| Gas | A state of matter which has no definite shape or volume. |
Created by:
Benji_BBgun
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