Diagonal Relationship
Lithium shows diagonal relationship with:
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About This Question
- Subject
- chemistry
- Chapter
- classification of elements and periodicity in properties
- Topic
- diagonal relationship
- Difficulty
- Easy
- Year
- 2025
Solution
Correct Answer:
Magnesium
A Diagonal Relationship exists between certain pairs of elements in the second and third periods of the periodic table.
- Li (Group 1) and Mg (Group 2) have similar properties because they have similar ionic sizes and charge/radius ratios (polarizing power).
- Similarities include: both form nitrides (Li3N, Mg3N2), both have carbonates that decompose easily on heating, and both form primarily covalent halides.
This easy difficulty chemistry question is from the chapter classification of elements and periodicity in properties, covering the topic of diagonal relationship. It appeared in the 2025 exam.
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