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Science 7 5-2

QuestionAnswer
ion atom with electric charge
polyatomic ions ions made of more than one atom
positive ion loses electron
negative ion gains electron
ionic bond attraction between oppositely charged ions
ionic compound compound of positive and negative ions
ionic compound properties crystal shape, high melting points, conduct electricity
subscript tells you the ratio of elements in the compound
high melting points of ion compounds due to lots of energy needed to break strong ionic bonds
ionic compounds dissolved in water ionic bonds break and ions move freely and conduct electricity
Created by: jmeager
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