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Ions review.

Published bySigve Ellingsen Modified over 6 years ago

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Presentation on theme: "Ions review."— Presentation transcript:

1 Ions review

2 Review Cations are positive Anions are negative Symbol: Xcharge
Lose electrons more protons than electrons Anions are negative Gain electrons more electrons than protons Symbol: Xcharge

3 What is the charge of this atom?
Protons: 13 Electrons: 10 Charge: _______ Symbol: _______ Cation or anion: ___________

4 What is the charge of this atom?
Protons: 34 Electrons: 36 Charge: _______ Symbol: _______ Cation or anion: ___________

5 What is the charge of this atom?
Protons: 7 Electrons: 10 Charge: _______ Symbol: _______ Cation or anion: ___________

6 What is the charge of this atom?
Protons: 20 Electrons: 18 Charge: _______ Symbol: _______ Cation or anion: ___________

7 How many electrons will it gain or lose?
Atoms want to get to 8 or 0 valence electrons They will take the quickest path to get there <4 ve- will lose to get to zero >4 ve- will gain to get to zero

8 How many electrons will it gain or lose?
Valence Electrons: 6 Lose or gain? ____________ How many does it lose or gain? ____________ Charge on ion? _____________

9 How many electrons will it gain or lose?
Valence Electrons: 2 Lose or gain? ____________ How many does it lose or gain? ____________ Charge on ion? _____________

10 How many electrons will it gain or lose?
Valence Electrons: 1 Lose or gain? ____________ How many does it lose or gain? ____________ Charge on ion? _____________

11 How many electrons will it gain or lose?
Valence Electrons: 5 Lose or gain? ____________ How many does it lose or gain? ____________ Charge on ion? _____________

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