Chp4 - Chapter 4: Ionic Bonding Define Properties of Ions...

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Chapter 4: Ionic Bonding Define Properties of Ions Oxidation States Naming Ionic Compounds Predict Formula of Ionic Compounds
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Metals and Non-Metals Metals – VE are high in energy → Ionization Energy is ____ Non-metals – Unfilled orbitals are low in energy → χ is _____ Ion Formed CATION ANION low high What happens when a metal comes into contact with a non-metal? Ionic compounds almost always contain a metal
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3p 3s Cl 3s Na e lowers its energy 3p 3s 3s Na + Making Salt An ionic bond is formed between Na + and Cl . Na: VERY reactive
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Ionic Radii CATIONS – Loss of electron causes size of atom to ___________ ANIONS – Gain of electron causes size of atom to _________ WHY? n ↓ , Z eff ↑ (e - feel more of the nuclear charge) eff - decrease increase
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Ionic Radii CATIONS – Loss of electron causes size of atom to ___________ ANIONS – Gain of electron causes size of atom to _________ WHY? n ↓ , Z eff ↑ (e - feel more of the nuclear charge) eff - decrease increase
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Isoelectronic Series Electron Configuration: 1.40Å 1.33Å 0.97Å 0.66Å 0.51Å As charge increases radius decreases > > > >
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Chp4 - Chapter 4: Ionic Bonding Define Properties of Ions...

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