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vocab pg 116 125 133
Question | Answer |
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chemical bond | physical restraints used to hold someone or something prisoner, especially ropes or chains. |
valence electron | an outermost electron of an atom that participates in chemical bonding. |
electron dot diagram | a model that represents valence electrons in an atom as dots around the element's chemical symbol. |
covalent bond | is a chemical bond forming when two atoms share one or more pairs of valence electrons. |
molecule | is a group of atoms held together by covalent bonding that acts as an independent unit. |
polar molecule | molecule that has a partial positive end and a partial negative end because of unequal sharing of electrons. |
chemical formula | a group of chemical symbols and numbers that represent the elements and the number of atoms of each element that make up a compound. |
ion | an atom or molecule with a net electric charge due to the loss or gain of one or more electrons. |
ionic bond | 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. |