Using the Periodic Table, Identify the Element with the Following

question 109

Multiple Choice

Using the periodic table, identify the element with the following exception electron configuration: [Ar]4s¹3d¹⁰

• A) Ga
• B) Zn
• C) Cu
• D) Ni
• E) Cd

---

Definitions:

REM Sleep

A phase of sleep characterized by rapid eye movement, during which dreaming often occurs, and is thought to play a role in memory consolidation.

Dream Recall

The ability to remember the details of dreams after waking up.

Narcolepsy

A persistent condition marked by excessive daytime sleepiness and unexpected bouts of slumber.

Operational Definition

A clear, precise description of a variable in terms of the procedures or operations used to measure or manipulate it.