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Unit 3: Bonding
| Term | Definition |
|---|---|
| electron configuration | the arrangement of electrons in an atom |
| covalent bond | a bond formed when atoms share one or more pairs of electrons |
| ionic bond | a force that attracts electrons from one atom to another, which transforms a neutral atom into an ion |
| ion | an atom, radical, or molecule that has gained or lost one or more electrons and has a negative or positive charge |
| octet rule | an atom will be most stable when surrounded by 8 electrons in the valence shell (outer most energy level) |
| metallic bond | a bond formed by the attraction between positively charged metal ions and the electrons around them |
| conductivity | material that is able to conduct electricity |
| polar | describes a molecule in which the positive and negative charges are separated |
| non polar | a covalent bond in which the bonding electrons are equally attracted to both bonded atoms |
| bent | AB 2 E ON F |
| tetrahedral | AB 4 CH 4 |
| trigonal planar | AB 3 BF 2 |
| linear | AB 2 BeF 2 |
| valence electrons | an electron that is found in the outermost shell of an atom and that determines the atoms chemical properties |
| formula unit | the simplest collection of atoms from which an ionic compounds formula can be written |
| polyatomic ion | an ion made of two or more atoms |
| VSEPR theory | a theory that predicts some molecular shapes based on the idea that pairs of valence electrons surrounding an atom repel each other |
Created by:
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