Practice Valency (4.4) - Structure of the Atom

Practise this section

9 questions

Flashcard drill
2 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.
Define valency.
Show hintHide hint
Think about how an atom interacts with other atoms.
Question 2.
What is the maximum number of electrons in the outermost shell of an atom?
Show hintHide hint
Recall the octet rule.
3Question 3.
What is the maximum number of valence electrons in an atom according to the octet rule?
- 4
- 8
- 2
- 10
Show hintHide hint
Remember the saying '8 is great for stability'.
4Question 4.
True or False: Elements with a full outer shell are very reactive.
- True
- False
Show hintHide hint
Think about noble gases.
Question 5.
Given that silicon has 4 valence electrons, calculate its likely bonding scenario when it reacts with oxygen.
Show hintHide hint
Think about how sharing helps achieve stability.
Question 6.
If iron has a valency of 3, what does this imply in terms of its ability to combine with non-metals?
Show hintHide hint
Consider the overall electron arrangement in the reaction.

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