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Warm-up An ion is an atom that gained or lost electrons. Which of the following atoms is an ion: the left or right atom? What is the total charge of the.

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Presentation on theme: "Warm-up An ion is an atom that gained or lost electrons. Which of the following atoms is an ion: the left or right atom? What is the total charge of the."— Presentation transcript:

1 Warm-up An ion is an atom that gained or lost electrons. Which of the following atoms is an ion: the left or right atom? What is the total charge of the ion?

2 Rules of Ions Rule 1: Opposite charges attract. “+” attracts “-” -+

3 Rules of Ions Rule 1: Opposite charges attract. “+” attracts “-” Rule 2: Charge = Protons - Electrons +4 protons - 4 electrons charge +4 protons -3 electrons charge +4 protons - 2 electrons charge

4 Rules of Ions Rule 1: Opposite charges attract. “+” attracts “-” Rule 2: Charge = Protons – Electrons Rule 3: Valence electrons = Group # (1A to 8B)

5 Rules of Ions Rule 1: Opposite charges attract. “+” attracts “-” Rule 2: Charge = Protons – Electrons Rule 3: Valence electrons = Group # (1A to 8B) Rule 4: Atoms try to gain or lose electrons have a full outer shell. Lose electrons Gain electrons

6 Ionization protons - 4 electrons charge +4 protons -3 electrons charge +4 protons - 2 electrons charge The process of when an atom gains or loses electrons to become an ion.

7 Ionization protons - 8 electrons charge +8 protons -9 electrons charge +8 protons - 10 electrons charge The process of when an atom gains or loses electrons to become an ion

8 Electronegativity How “greedy” an atom is for electrons. Strong electronegativity = greedy, steals electrons Weak electronegativity = not greedy, gives away electrons Give away electrons Steal electrons


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