Which atom is least likely to violate the octet rule in its compounds?

Which of the following does not follow the octet rule ? .

Which of the following does not follow the octet rule ? .

Which one of the following violates octet rule ?

In which species does the central atom obey the octet rule?

Which species have one or more atoms that violate the octet rule? (P) NO (Q) SF_(2) (R) PF_(4)^(+)

Which of following species follows the octet rule for all of its atoms?

What is octet rule? List important exceptions to octet rule.

Statement-1 : Molecular species like SF_(6),PF_(5),I_(3)^(-) and XeF_(2) violate the octet rule. Statement-2 : Compounds with an expanded octet are called hypervalent compounds.

Which of the following compound is violating octet Rule.