Periodic%20Properties%20of%20the%20Elements

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Periodic Properties of the Elements

• All Depend on energies of outermost orbitals
• Atomic Size
• Ionization Energy
• Electron Affinity
• Ion Size

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Trends in Orbital Energies
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Why do energies decrease moving left-to-right?
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General Periodic Trends
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Why the breaks in the line?
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Which atom is largest? 1. K 2. Ca
3. Rb 4. Sr
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Which atom has the highest ionization
energy? 1. Al 2. Si 3. Ga 4. Ge
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• Which ionization energy will see the largest jump
  for Mg?
• 1st
• 2nd
• 3rd

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