Which of These Is an Isoelectronic Series

question 81

Multiple Choice

Which of these is an isoelectronic series?

• A)Na⁺,K⁺,Rb⁺,Cs⁺
• B)K⁺,Ca²⁺,Ar,S^2-
• C)Na⁺,Mg²⁺,S^2-,Cl^-
• D)Li,Be,B,C
• E)none of these (A-D)

---

Definitions:

Government Failure

Occurs when government intervention in the economy causes more harm than good, leading to inefficiency, waste, or the misallocation of resources.

Hedonism

A philosophy or lifestyle focused on pursuing pleasure and avoiding pain as the highest good.

Homeostasis

The process by which an organism or system automatically regulates its internal environment to maintain a stable, constant condition.

Locus of Control

A psychological concept that refers to individuals' beliefs about the extent to which their actions influence the outcomes and events in their lives.