Number of elements from the following that CANNOT form compounds with valencies which…
Chemistry · JEE Main · NTA Exams — Classification of Elements and Periodicity in Properties
Number of elements from the following that CANNOT form compounds with valencies which match with their respective group valencies is ______.
B, C, N, S, O, F, P, Al, Si (Jee Main 2024)
B, C, N, S, O, F, P, Al, Si (Jee Main 2024)
- 7
- 3
- 5
- 6
Answer
(B) 3
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