4.4 - Valency
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Practice Questions
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Define valency.
💡 Hint: Think about how an atom interacts with other atoms.
What is the maximum number of electrons in the outermost shell of an atom?
💡 Hint: Recall the octet rule.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the maximum number of valence electrons in an atom according to the octet rule?
💡 Hint: Remember the saying '8 is great for stability'.
True or False: Elements with a full outer shell are very reactive.
💡 Hint: Think about noble gases.
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Challenge Problems
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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.
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.
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