Teaching BPSC बिहार माध्यमिक TGT (9 to 10) शिक्षक भर्ती 4.0 Mock Test General Science Chemistry Classification of Elements and Periodicity in Properties
The most electronegative element in the periodic table is:
1
Fluorine
2
Chlorine
3
Nitrogen
4
More than one of the above
5
None of the above