How Many Unpaired Electrons Are in the Ground State Electron

question 49

Multiple Choice

How many unpaired electrons are in the ground state electron configuration of calcium?

• A)5
• B)2
• C)0
• D)1
• E)3

---

Definitions:

European Power

Generally refers to countries in Europe with significant influence and military, economic, or political strength, historically and in contemporary periods.

Western Hemisphere

The half of the Earth that includes the Americas, broadly encompassing North, Central, and South America, and the surrounding waters.

Capt. Alfred Thayer Mahan

A United States naval officer and historian whose works, particularly "The Influence of Sea Power upon History," have had a major influence on naval strategy and the importance of naval power.

New Navy

Refers to the modernization and expansion of the United States Navy in the late 19th and early 20th centuries, emphasizing the use of steel ships and advanced technology.