Chemistry - f-block Question with Solution | TestHub
Chemistryf-blockf-blockMedium2 minQB
ChemistryMediuminteger
Among the known Actinides, how many actinides are classified as natural elements.
Answer:
3
Solution:
Question Explanation:
Find the number of natural actinides.
Concept:
This question is based on natural vs. synthetic elements.
Solution:
In actinide series, all elements after Uranium are synthetic element and all actinides are radioactive elements.
Natural elements among actinides :
Th → Thorium
Pa → Protactinium
U → Uranium
Final Answer: The correct answer is 3.
Stream:JEESubject:ChemistryTopic:f-blockSubtopic:f-block
⏱ 2mℹ️ Source: QB
Doubts & Discussion
Loading discussions...