In K₄[Fe(CN)₆], How Many 3d Electrons Does the Iron Atom

question 24

Multiple Choice

In K₄[Fe(CN) ₆], how many 3d electrons does the iron atom have

• A) 3
• B) 4
• C) 5
• D) 6
• E) 7

---

Definitions:

ADHD

Attention Deficit Hyperactivity Disorder, a neurodevelopmental disorder characterized by difficulty in maintaining attention, hyperactivity, and impulsivity.

Prenatal Development

The process of growth and development within the womb, from conception to birth, through stages including the embryonic and fetal periods.

Frontal Lobes

The front part of the brain involved in decision making, problem solving, control of purposeful behaviors, consciousness, and emotions.

Learning Disabled

Refers to individuals who have difficulties in processing information, which significantly affects their learning abilities despite having normal intelligence.