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CHMSTY SEM 1
| Term | Definition |
|---|---|
| amplitude | Height of a wave |
| analytical chemistry | the identification of the components and composition of materials |
| cathode ray | a stream of electrons produced at the negative electrode (cathode) of a tube containing a gas at low pressure |
| chemical change | A change in matter that produces one or more new substances |
| chemical formula | A combination of chemical symbols and numbers to represent a substance |
| chemical property | A characteristic of a pure substance that describes its ability to change into different substances |
| conversion factor | a ratio of equivalent measurements used to convert a quantity from one unit to another |
| coordination number | the number of ions of opposite charge that surround each ion in a crystal |
| diatomic molecule | A molecule consisting of two atoms |
| dimensional analysis | a technique of problem-solving that uses the units that are part of a measurement to help solve the problem |
| distillation | A process that separates the substances in a solution based on their boiling points |
| electromagnetic radiation | a form of energy that exhibits wavelike behavior as it travels through space |
| electronegativity | A measure of the ability of an atom in a chemical compound to attract electrons |
| extensive property | a property that depends on the amount of matter in a sample |
| filtration | A process that separates materials based on the size of their particles. |
| formula unit | the lowest whole-number ratio of ions in an ionic compound |
| inner transition metals | elements that appear below the main body of the periodic table |
| inorganic chemistry | the study of substances that, in general, do not contain carbon |
| intensive property | a physical property that remains the same no matter how much of a substance is present |
| ioniztion energy | the energy required to remove an electron from an atom in its gaseous state |
| octet rule | States that atoms lose, gain or share electrons in order to acquire a full set of eight valence electrons |
| organic chemistry | the study of all chemicals containing carbon |
| periodic law | the law that states that the repeating chemical and physical properties of elements change periodically with the atomic numbers of the elements |
| phase | any part of a sample with uniform composition and properties; stage |
| photoelectric effect | The emission of electrons from a metal when light shines on the metal |
| physical chemistry | the study of the properties and changes of matter and their relation to energy |
| quantum | the amount of energy needed to move an electron from one energy level to another |
| quantum mechanical model | the modern description, primarily mathematical, of the behavior of electrons in atoms |
| spectrum | band of color, broad range of related ideas or objects |
Created by:
camchristensen