An Iron Oxide Is 72

question 219

Multiple Choice

An iron oxide is 72.4% in iron. Its empirical formula is ________.

• A) FeO
• B) Fe₂O
• C) Fe₂O₃
• D) Fe₃O₄

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Definitions:

Antioxidants

Compounds that hinder or decelerate cell damage resulting from free radicals, which are unstable molecules generated by the body in response to environmental and various stresses.

Strength Training

A form of physical exercise specializing in the use of resistance to induce muscular contraction, which builds the strength, anaerobic endurance, and size of skeletal muscles.

Aerobic

Pertains to processes or activities that require the presence of oxygen, often related to exercise that improves cardiovascular health.

Low-Impact

Refers to activities or actions that cause minimal stress or damage to the body or environment.