Practice Atomic Radius (3.7.1.a) - 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 is an atomic radius?
Show hintHide hint
Think about how we measure the size of tiny objects.
Question 2.
What is the trend of atomic radius across a period?
Show hintHide hint
Consider the effect of increasing nuclear charge.
3Question 3.
What happens to atomic radius as we move across a period?
- Increases
- Decreases
- Remains the same
Show hintHide hint
Consider the role of protons vs electrons.
4Question 4.
True or False: Atomic radius increases down a group.
- True
- False
Show hintHide hint
Think about how many layers of electrons.
Question 5.
Explain how atomic radius affects the reactivity of alkali metals as you move down the group.
Show hintHide hint
Think about how electron shielding plays a role.
Question 6.
Discuss the implications of atomic radius on ionic compounds formed from alkali and halogen elements.
Show hintHide hint
Consider how ionic bonds are formed.

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