Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test General Science Chemistry Periodic Table
What is the correct order of non- metallic character among the elements B, C, N, F and Si?
1
Si > C > B > N > F
2
F > N > C > B > Si
3
B > C > Si > N > F
4
More than one of the above
5
None of the above