Which of the Following Is Not Isoelectronic with the Rest

question 77

Multiple Choice

Which of the following is not isoelectronic with the rest?

• A) Sc³⁺
• B) Ca
• C) K⁺
• D) Ar
• E) all are isoelectronic

---

Definitions:

Irrational Fear

A fear that is intense and persistent, disproportionate to the actual danger posed, often manifesting without an obvious cause.

Shark Attack

An incident where a shark bites a human or their belongings, often occurring in places where sharks are known to inhabit.

Dog Attack

An aggressive action in which a dog attempts to bite or harm a person or another animal.

Safe Experiences

Safe Experiences refer to activities or situations where individuals feel secure and protected from harm or danger, contributing to a sense of wellbeing.