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IONIC BONDS

IONIC BONDS. Only certain ratios (combinations) of elements result in the formation of ionic compounds. For ex: Lithium (Li) will react with Fluorine (F) to form LiF. BUT, it will NOT form LiF 2 , LiF 3 , etc.

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IONIC BONDS

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  1. IONIC BONDS Only certain ratios (combinations) of elements result in the formation of ionic compounds. For ex: Lithium (Li) will react with Fluorine (F) to form LiF. BUT, it will NOT form LiF2, LiF3, etc. Magnesium (Mg) will react with Fluorine to form MgF2. BUT, it will NOT form MgF, MgF3, etc.

  2. IONIC BONDS We are going to investigate what determines the ratios of the elements in Ionic compounds. Q: What do you think determines this ratio? Q: How many valence e- does Li have? How about F? (What is the total # between them?) Q: How many valence e- does Mg have? How about 2 atoms of F? (What is the total # between them?) Q: Why do you think that Li combines with only one F, but Mg needs to combine with 2 F atoms?

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