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JECA Chemistry Ch 15
JECA Chemistry Chapter 15 Vocabulary
Question | Answer |
---|---|
the number of ions of opposite charge that surround each ion in a crystal | Coordination number |
a notation that depicts valence electrons as dot around the atomic symbol of the element the symbol represents the inner electrons and atomic nucleus; also called Lewis dot structures | Electron dot structure |
negatice ion formed when a halogen atom gains an electron | Halide ion |
the electrostatic attraction that binds oppositely charged ions together | Ionic bond |
the force of attraction that holds metals together; it consist of the attraction of free-floating valence electrons for positively charged metal ions | Metallic bond |
atoms react by gaining or losing electrons so as to acquire the stable electron structure of a noble gas, usally eight valence electrons. | Octet rule |
electron in the highest occupied energy level of an atom. | Valence Electron |