Question

Which of the following atoms obey duplet rule?
(a) 02 (b) F
(c)
F,
(d) N​

Answer 1

no one in the option obeys duplet rule

duplet rule  states that some elements can be stable with two electrons in their shell. Hydrogen(H2)and helium(He) are special cases that do not follow the octet rule but the duplet rule, They are stable in a duplet state instead of an octet state.