Which of the Following Three Sets Consist of Atoms or Ions

question 14

Multiple Choice

Which of the following three sets consist of atoms or ions with the same electron configuration in the ground state?
(I) O^2-,Ne,and Mg²⁺
(II) Ni,Cu⁺,and Zn²⁺
(III) Hg,Tl⁺,and Pb²⁺

• A)all three sets
• B)all but (I)
• C)all but (II)
• D)only (I)

---

Definitions:

Prenatal Risk Factors

Conditions or exposures during pregnancy that can increase the likelihood of negative outcomes for the fetus or infant, including health and developmental issues.

ADHD

Attention Deficit Hyperactivity Disorder is a neurodevelopmental condition identified by symptoms of distractibility, excessive energy, and impulsive actions.

Antidepressant Medication

Drugs specifically designed to improve symptoms of depression by altering chemical levels in the brain.

Manganese

A chemical element with symbol Mn and atomic number 25, essential for human health in trace amounts, particularly for enzyme function and bone development.