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chapter 4 vocab
Question | Answer |
---|---|
a force that holds two or more atoms together | chemical bond |
an outermost electron of an atom that participates in chemical bonding | valence electrons |
a model that represents valance electrons in an atom as dots around the element's chemical symbol | electron dot diagram |
a chemical bond formed when two atoms share one or more pairs of valance electrons | covalent bond |
a group of atoms held together by convalent bonding that acts as an independent unit | molecule |
a molecule that has a partial positive end and a partial negative end because of unequal sharing of electrons | polar molecule |
a group of chemical symbols and numbers that represent the elements and the number of atoms of each element that makes up a compound | chemical formula |
an atom that is no longer electrically neutral because it has gained or lost valence electrons | ion |
the attraction between positively charged and negatively charged ions in an icnic compound | ionic bond |
metallic bond |