An Ion of Cobalt Has 25 Electrons Total

question 84

Multiple Choice

An ion of cobalt has 25 electrons total.What is the charge of the cobalt ion?

• A) +2
• B) +1
• C) It is neutral.
• D) -1
• E) -2

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Definitions:

Working Memory

A form of short-term memory that involves the temporary holding, processing, and manipulation of information for cognitive tasks.

Short-Term Memory

The capacity for holding a small amount of information in an active, readily available state for a short period.

Context-Dependent Memory

The principle that recall of information is easier when in the same context or environment where the memory was originally formed.

Serial-Order Effect

The impact of an item's position in a sequence on its recall, usually seen in memory tasks like remembering lists.