Practice Valency - 4.4 | 4. Structure of the Atom | CBSE 9 Science
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Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

Define valency.

💡 Hint: Think about how an atom interacts with other atoms.

Question 2

Easy

What is the maximum number of electrons in the outermost shell of an atom?

💡 Hint: Recall the octet rule.

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 is the maximum number of valence electrons in an atom according to the octet rule?

  • 4
  • 8
  • 2
  • 10

💡 Hint: Remember the saying '8 is great for stability'.

Question 2

True or False: Elements with a full outer shell are very reactive.

  • True
  • False

💡 Hint: Think about noble gases.

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Challenge Problems

Push your limits with challenges.

Question 1

Given that silicon has 4 valence electrons, calculate its likely bonding scenario when it reacts with oxygen.

💡 Hint: Think about how sharing helps achieve stability.

Question 2

If iron has a valency of 3, what does this imply in terms of its ability to combine with non-metals?

💡 Hint: Consider the overall electron arrangement in the reaction.

Challenge and get performance evaluation