A Binary Compound That Forms When Potassium Reacts with Oxygen

question 30

Multiple Choice

A binary compound that forms when potassium reacts with oxygen has the composition 54.99% K and 45.01% O.This compound contains

• A)one oxygen molecule and one potassium atom.
• B)one peroxide ion and one potassium ion.
• C)one superoxide ion and one potassium ion.
• D)two oxide ions and one potassium ion.

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