Which Element or Ion Listed Below Has the Electron Configuration

question 78

Multiple Choice

Which element or ion listed below has the electron configuration 1s²2s²2p⁶3s²3p⁶?

• A) Ca⁺
• B) Na⁺
• C) K⁺
• D) Cl
• E) none of these

---

Definitions:

Teaches Preschoolers

Involves educating children typically aged 3 to 5 years old in a preschool setting, focusing on basic skills and foundational knowledge through play and structured activities.

Married

A legally recognized union between two individuals in a personal relationship, typically signifying a committed partnership.

Developmental Theories

Frameworks that describe the growth, change, and stability across the human lifespan.

Observations

The act of monitoring, recording, and analyzing elements or conditions in a systematic way to gather data.