CHEM 110 Chapter 6

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5 Terms

1
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Why do group 2A elements have 0 Electron Affinity?

They have a full 2s subshell, THEREFORE the next electron added needs to go to a higher energy p SUBshell

2
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Why are cations smaller than their neutral counterparts?

Less electrons, same number of protons, larger pull on each electron

3
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When will Ei be higher?

Generally, going from stable to unstable

Also, removing an electron from a shell closer to the nucleus than before

4
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Size and lattice energy

Smaller size = higher charge density = stronger attraction

Smaller size = larger lattice energy

5
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Lattice energy is ___

ALWAYS POSITIVE