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Ions (Atoms with CHARGE!!!) 11 p+ 12 n 0 I’m outta here! Now what??? We have more protons than electrons. That’s weird!!!!!

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Presentation on theme: "Ions (Atoms with CHARGE!!!) 11 p+ 12 n 0 I’m outta here! Now what??? We have more protons than electrons. That’s weird!!!!!"— Presentation transcript:

1 Ions (Atoms with CHARGE!!!) 11 p+ 12 n 0 I’m outta here! Now what??? We have more protons than electrons. That’s weird!!!!!

2 Ions (Atoms with CHARGE!!!) 9 p+ 10 n 0 We knew we do it! Now our outer shell is complete Now what??? We have more electrons than protons. That’s weird!!!!!

3 Ions Ion – an atom that has either lost or gained an electron(s) Ion – an atom that has either lost or gained an electron(s)

4 What overall charge would an ion have if it had 15 protons and 18 electrons?

5 An atom that has lost an electron would have a _________ charge. 1. positive 2. negative 3. neutral

6 Atoms with Charge Atom loses electrons Atom loses electrons * Overall positive charge *Cation Atom gains electrons Atom gains electrons * Overall negative charge * Anion

7 Example Magnesium loses 2 e - leaving it with 12 p + and 10 e - Magnesium loses 2 e - leaving it with 12 p + and 10 e -

8 What charge would Magnesium have when it becomes an ion?

9 Example Magnesium loses 2 e - leaving it with 12 p + and 10 e - Magnesium loses 2 e - leaving it with 12 p + and 10 e - Overall 2+ charge and Mg becomes Mg 2+ (ion) Overall 2+ charge and Mg becomes Mg 2+ (ion)

10 What charge would Sulfur have as an ion?

11 Example Sulfur gains 2 e - and now has 16 p+ and 18 e - Sulfur gains 2 e - and now has 16 p+ and 18 e - Overall -2 charge and is written S 2- as an ion Overall -2 charge and is written S 2- as an ion

12 Charges on atoms Use the periodic table to predict charge on an atom Use the periodic table to predict charge on an atom


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