click below
click below
Normal Size Small Size show me how
Science Vocab1234560
Vocab
| Question | Answer |
|---|---|
| Law of Conservation of Mass | Nothing is ever created or destroyed |
| Physical Change | A usually reversible change in the physical properties |
| Chemical Change | Reaction involving the changing of the atoms of 1 or more substances |
| Element | Something that can be broken down to anything else |
| Chemical Formula | A rep. of a substance using symbols |
| Diatomic Molecule | Molecules composed of only 2 atoms |
| Compound Molecule | Molecules composed of 2 or more atoms |
| Chemical Equation | A rep. of a chemical reaction using symbols of the elements to indicate the amount of substance |
| Chemical Reaction | A process that involves changes in the structure and energy content of atoms |
| Reactants | Any substance that undergoes a chemical change |
| Products | a substance obtained from another |
| Coefficient | A number that is constant for a given substance, body, or process under specified conditions |
| Subscript | A number or figure that shows how many of a certain type of element there is |