When an Oxygen Atom Gains Two Electrons, It Becomes A(n)

question 31

Multiple Choice

When an oxygen atom gains two electrons, it becomes a(n) _____ with a charge of _____.

• A) anion; 2⁺
• B) anion ; 2 ⁻
• C) cation; 2 ⁻
• D) cation; 2⁺
• E) cation; 0

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Definitions:

Charged Electroscope

A device used to detect the presence of electric charge, either positive or negative, by the movement of a metal foil.

Test Object

An item or device being subjected to an examination or experimental procedure to evaluate its properties or performance.

Opposite Polarity

A condition where two magnetic or electric fields have directions that are directly opposed to each other.

Static Charge

An unbalanced electrical charge confined to an object's surface, resulting from friction or induction.