Practice Summary Of Key Concepts (6) - Unit 3: Periodicity

Practise this section

9 questions

Flashcard drill
4 cards from this section. Quick, good the night before a test.
Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
Sign up to start the exercise
Quiz
3 questions · about 2 min · pass mark 70%. Hints available.
Sign up to start the quiz

6 sample questions

Question 1.
What is Effective Nuclear Charge (Z_eff)?
Show hintHide hint
Think about how inner electrons affect outer ones' experience.
Question 2.
Describe the trend of atomic radius down a group.
Show hintHide hint
Consider how electron shell addition impacts size.
3Question 3.
What happens to atomic radius as you move down a group?
- Increases
- Decreases
- Stays the same
- Varies randomly
Show hintHide hint
Consider how many additional layers each time.
4Question 4.
Is ionization energy generally higher across a period?
- True
- False
Show hintHide hint
Think about the forces acting on the electron.
Question 5.
Calculate the expected change in ionization energy from Group 1 through Group 17. Explain the trends observed.
Show hintHide hint
Compare the effective nuclear charge as you list out the groups.
Question 6.
Discuss why electron affinity is generally more exothermic as you move from left to right in the periodic table.
Show hintHide hint
Consider how attractive forces play a role in electron interactions.

5 more questions in this section. Enroll free to practise them all.