click below
click below
Normal Size Small Size show me how
Chemistry Vocab
| word | definition |
|---|---|
| atom | the smallest component of an element having the chemical properties of the element |
| element | one of a class of substances that cannot be separated into simpler substances by chemical means |
| proton | a positively charged elementary particle that is a fundamental constituent of all atomic nuclei |
| neutron | an elementary particle having no charge |
| electron | an elementary particle that is a fundamental constituent of matter |
| isotope | any of two or more forms of a chemical element |
| ion | an electrically charged atom or group of atoms formed by the loss or gain of one or more electrons |
| compound | a pure substance composed of two or more elements whose composition is constant. |
| molecule | he smallest physical unit of an element or compound |
| ionic bond | the electrostatic bond between two ions formed through the transfer of one or more electrons. |
| covalent bond | the bond formed by the sharing of a pair of electrons by two atoms |