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3 cards from this section. Quick, good the night before a test.
What is electron affinity?
Think about the process when adding an electron.
Does electron affinity increase across a period?
Consider the atomic structure and nuclear charge.
What does a higher electron affinity indicate?
Think about the definition of electron affinity.
Electron affinity generally decreases down a group.
Consider atomic size and its effects.
Consider two elements, A and B. Element A has a higher electron affinity than element B. Discuss the implications in terms of their chemical reactivity.
Think about the tendencies of elements to gain or lose electrons.
Graph the trend of electron affinity for elements in period 3. Describe any observed patterns.
Track the paths in the periodic table.
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