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4 cards from this section. Quick, good the night before a test.
What is electron affinity?
Think about what happens when an atom gains an electron.
Does electron affinity typically increase or decrease across a period?
Consider the effects of nuclear charge.
What is the definition of electron affinity?
Think about energy changes during the bonding process.
Electron affinity tends to ___ as you move across a period.
Think about the changes in nuclear charge.
If an unidentified element in period 3 has a lower electron affinity than chlorine but higher than sulfur, what could this element be?
Consider the position of this element in relation to chlorine and sulfur.
Describe how knowing the electron affinity of an atom can help in predicting the types of bonds it will form.
Think about groups with higher values of electron affinity.
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