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Ch 13&14 Sci Vocab
Ch 13&14 Physical Science Vocab
| Term | Definition |
|---|---|
| Chemical Bonding | the combining of atoms to form molecules or ironic compounds |
| Chemical Bond | an interaction that holds the atoms together |
| Valence Electron | an electron that is found in the outermost shell of an atom and that determines the atoms chemical reaction |
| Crystal Lattice | the regular pattern in which a crystal is arranged |
| Ion | a charged particle that forms when an atom or group of atoms gains or looses one or more electrons |
| Ionic Bond | the attractive force between oppositely charged ions,which forms when electrons are transformed from one atom to another |
| Covalent Bond | A bond formed when atoms share one or more pairs of electrons |
| Molecule | a group of atoms that are held together by chemical forces |
| Chemical Reaction | the process by which one or more substances change to produce one or more different substances |
| Chemical Equation | a representation of a chemical reaction that uses symbols to show the relationship between the reactants and the products |
| Chemical Formula | a combination of chemical symbols and #'s to represent a substance |
| Product | a substance that forms in a chemical reaction |
| Reactant | a substance that participates in a chemical reaction |
| Law Of Conservation Of Mass | the law that states the mass cannot be created or destroyed in ordinary chemical and physical changes |
| Decomposition Reaction | a reaction in which single compounds break down to form a simpler substance |
| Double Displacement Reaction | |
| Syenthesis Reaction | |
| Activation Energy | |
| Catalyst | |
| Endothermic Reaction | |
| Exothermic Reaction | |
| Inhibitor | |
| Law Of Conservation Energy | |
| Metallic Bond | A bond by the attraction between positively charged metal ions and the electrons around them |