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Chemical Bonding
physical science chapter 13 grade 8
| word | definition |
|---|---|
| chemical bonding | combining of atoms to form molecules or ionic compounds |
| chemical bond | interaction that holds atom or ions together |
| valence electron | electron that is found in the outermost shell of an aton and that determines the atom's chemical properties |
| ionic bond | bond that forms when electons are transferred from one atom to another, which results in a positive ion and a negative ion |
| ion | chared particle that forms when an atom of group of atoms gains or loses one or more elctrons |
| crystal lattice | regular pattern in which a crystal is arranged |
| covalent bond | a bondformed when atoms share one of more pairs fo electrons |
| molecule | smallest unit of a substance that keeps all of the physical and chemical properties of that substance |
| metallic bond | bond formed by the attraction between positively charged metal ions and the electrons around them |