ionic bond - the attraction between oppositely charged ions, covalent bond - shared pair of electrons, 7 - number of electrons that fluorine has in its' outer shell, 9 - number of electrons fluorine has., 3 - Number of shells that magnesium has, metal and a non-metal - the elements in an ionic compound, non-metals only - the elements in a covalent compound, carbon dioxide - an example of a covalent compound, iron sulphate - an example of an ionic compound,



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