Practice Electron Affinity - 2.4 | Unit 3: Periodicity | IB Grade 11: Chemistry
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2.4 - Electron Affinity

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Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is electron affinity?

πŸ’‘ Hint: Think about gaining an electron.

Question 2

Easy

Which direction does electron affinity generally trend as you move across a period?

πŸ’‘ Hint: Remember effective nuclear charge.

Practice 4 more questions and get performance evaluation

Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

Question 1

What does electron affinity measure?

  • Energy required to remove an electron
  • Energy change when an electron is added
  • Energy associated with nuclear reactions

πŸ’‘ Hint: Consider the process of gaining an electron.

Question 2

True or False: Electron affinity increases down a group.

  • True
  • False

πŸ’‘ Hint: How does distance from the nucleus affect attraction?

Solve and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Consider fluorine and bromine. Compare their electron affinities and explain why fluorine is more exothermic than bromine.

πŸ’‘ Hint: Focus on their atomic structures and distances from the nucleus.

Question 2

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.

πŸ’‘ Hint: Think about how energy relates to stability.

Challenge and get performance evaluation