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vocabulary
Term | Definition |
---|---|
ion | is an atom that is no longer electrically neutral because it has lost or gained valence electrons. |
ionic bond | the attraction between positively and negatively charged ions in an ionic compound |
metallic bond | is a bond formed when many metal atoms share their pooled valence electrons |
chemical bond | is a force that holds two or more atoms together. |
valence electrons | is an outermost electron of an atom that participates in chemical bonding. |
electron dot diagram | a model that represents valence electrons. |
covalent | is a chemical bond formed when two or more atoms share one pair of valence electrons. |
molecule | is a group of atoms |
polar molecule | a molecule that has a partial positive charge. |
chemical formula | is a group of chemical symbols and numbers. |