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How to Make Ionic Bonds. Ionic Bonds Remember the Octet Rule? How many electrons do atoms need to be happy and stable? Ionic bonds are created when atoms.

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Presentation on theme: "How to Make Ionic Bonds. Ionic Bonds Remember the Octet Rule? How many electrons do atoms need to be happy and stable? Ionic bonds are created when atoms."— Presentation transcript:

1 How to Make Ionic Bonds

2 Ionic Bonds Remember the Octet Rule? How many electrons do atoms need to be happy and stable? Ionic bonds are created when atoms are transferred (given away or taken/accepted) Ionic bonds are created by combining metals and nonmetals

3 Directions 1. Find your elements on the periodic table 1 2 141516 18 1317 Potassium Bromine

4 Potassium = K Bromine = Br 2. Write the symbol for each element 3. Look at the group number to determine the number of valence electrons 1 2 141516 18 1317 Potassium Bromine

5 4. Draw the valence electrons on a counter-clockwise direction for each element K Br

6 5. Figure out the number of electrons gained or lost K Br K wants to lose 1 electron Br needs 1 electron

7 6. Draw arrows to show the transfer of electrons K Br K 1+ + Br 1-  KBr 7. Write the charges for each element and the chemical formula for the reaction

8 Want to see another? Let’s try Magnesium and Iodine 1 2 141516 18 1317 1. Find the elements on the periodic table 2. Write the symbols magnesium= Mgiodine= I 3. Look at the group number to find the valence electrons 2 valence electrons 7 valence electrons 4. Draw the valence in electrons in a counter-clockwise direction Mg I 5. Figure out the electrons gained or lost Mg loses 2 I gains 1 6. Draw the arrows to show the transfer 7. Write the charges and the formula Mg 2+ + I 1- 2  MgI 2 I

9 Now you try.... Magnesium and oxygen To name ionic bonds, take the name of the metal as the first word. For the second word, take the name of the nonmetal and add –ide on the end Magnesium oxide

10 Now you try.... Sodium and chlorine Sodium chloride

11 Now you try.... aluminum and chlorine Aluminum chloride


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