Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test General Science Chemistry Periodic Table
Why does the effective nuclear charge experienced by valence electrons decrease down the group?
1
outermost electrons are farther away from the nucleus
2
The outermost electrons are closest to the nucleus
3
innermost electrons are farther away from the nucleus
4
More than one of the above
5
None of the above