Practice The F-block Elements (inner Transition Elements) (4) - Chapter 8: The d- and f-Block Elements

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6 sample questions

Question 1.
What is the common oxidation state of lanthanoids?
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Think about their most stable oxidation state.
Question 2.
Are all actinoids radioactive?
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Consider the properties of the actinoids.
3Question 3.
What characteristic is unique to actinoids?
- They exhibit only +3 oxidation state
- They are all radioactive
- They have no industrial applications
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Consider the properties specific to actinoids.
4Question 4.
True or False: Lanthanoids can exist in multiple oxidation states.
- True
- False
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Remember the typical oxidation states of lanthanoids.
Question 5.
If an element from the actinoids series exhibits a +5 oxidation state, what might its role be in a chemical reaction?
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Consider its high oxidation state’s ability to gain or lose electrons.
Question 6.
How does the concept of lanthanide contraction affect the behavior of these elements in chemical reactions?
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Relate atomic size to chemical reactivity and property similarities.

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