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Question

List -I List -2
A. IVA group 1. Crystalline form
B. Onyx 2 Amorphous form of silica
C. Lubricant 3. Graphite
D. Hardest material 4.ns2 np2
5. Diamond
The correct match with A B C D is ?
  1. 2 4 3 5
  2. 2 3 5 4
  3. 4 2 3 5
  4. 5 3 2 4

A
4 2 3 5
B
2 4 3 5
C
2 3 5 4
D
5 3 2 4
Solution
Verified by Toppr

IV A Group has 4 valence electrons and are arranged as ns2 np2.

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