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science vocab chap 1
Term | Definition |
---|---|
chemical bonding | is the joining of atoms to form new substances |
chemical bond | an interaction that holds two atoms together |
valence electron | an electron in the outer most energy level of an atom to another which results in a positive ion and a negative ion |
ion | a charged particle that forms when an atom or group of atoms gains or loses one or more electrons |
Crystal lattice | the regular pattern in which a crystal is arranged |
Covalent bond | a bond formed when atoms share one or more pairs of electrons |
Molecule | the smallest unit of a substance that keeps all of the physical and chemicall properties of that substance |
Metallic bond | a bond formed by the attraction between positively charged metal ions and the electrons around them |