Practice Periodic Trends Chemical And Reactivity (3.7.3) - Classification of Elements and Periodicity in Properties

Practise this section

9 questions

Flashcard drill
3 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 happens to atomic radii as you move from left to right across a period?
Show hintHide hint
Consider the effect of nuclear charge.
Question 2.
How do ionic radii compare between cations and anions?
Show hintHide hint
Think about the loss or gain of electrons.
3Question 3.
What generally happens to ionization energy as you move left to right across a period?
- Decreases
- Increases
- Stays the same
Show hintHide hint
Consider how electrons are held in the atoms.
4Question 4.
True or False: Electron gain enthalpy becomes less negative down a group.
- True
- False
Show hintHide hint
Think about distance from nucleus.
Question 5.
Predict the chemical behavior of lithium and fluorine based on their positions in the periodic table.
Show hintHide hint
Consider the ionization and electron gain enthalpy.
Question 6.
How would the acidity of oxides formed by elements in group 14 change from carbon to lead?
Show hintHide hint
Think about the metallic character and bonding.

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