Which Element Has the Following Ground-State Electron Configuration

question 21

Multiple Choice

Which element has the following ground-state electron configuration
1s²2s²2p⁶3s²

• A) Na
• B) Mg
• C) Al
• D) Si
• E) Ne

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Definitions:

Context-dependent Memory

The phenomenon where recall of information is higher when the retrieval context is similar to the encoding context.

Physical Cues

External signals or indicators that can be perceived with the senses, guiding behavior or responses.

Information Recall

The process of retrieving previously learned information from memory without being re-exposed to it explicitly.

Infantile Amnesia

The inability of adults to recall autobiographical memories from early childhood, typically before the age of 3-4 years.