Science Ch 10 Vocab Word Scramble
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Term | Definition |
periodic table | chart of the lements arranged into rows and columns according to their physical and chemical properties |
group | a column on the periodic table |
period | rows on the periodic table |
alkali metal | elements in group 1 |
nonmetal | elements that have no metallic properties |
metalloids | an element that has physical and chemical properties of both metals and nonmetals |
valence electron | an outermost electron of an atom that participates in chemical bonding |
electron dot diagram | model that represents valence electrons in an atom as dots around the element's chemical symbol |
covalent bond | |
molecule | 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 |
ion | an atom that is no longer electrically neutral because it has lost or gained valence electrons |
ionic bond | attraction between positively and negatively charged ions in an ionic compound |
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2018grellerj
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