2.4 - Electron Affinity
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Practice Questions
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What is electron affinity?
💡 Hint: Think about gaining an electron.
Which direction does electron affinity generally trend as you move across a period?
💡 Hint: Remember effective nuclear charge.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does electron affinity measure?
💡 Hint: Consider the process of gaining an electron.
True or False: Electron affinity increases down a group.
💡 Hint: How does distance from the nucleus affect attraction?
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Challenge Problems
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Consider fluorine and bromine. Compare their electron affinities and explain why fluorine is more exothermic than bromine.
💡 Hint: Focus on their atomic structures and distances from the nucleus.
An element has an electron affinity of +100 kJ/mol. Discuss what this indicates about the element's ability to gain an electron and its possible reactivity.
💡 Hint: Think about how energy relates to stability.
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