Which Statement Is False Concerning Oxidation Numbers

question 123

Multiple Choice

Which statement is false concerning oxidation numbers?

• A) An element's oxidation number is constant and unchanging.
• B) Atoms of free elements have an oxidation number of zero.
• C) An atom's oxidation state signifies the number of charges for that atom in a molecule.
• D) Oxidation numbers allow easy identification of which atoms gained or lost electrons.

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Abnormal condition characterized by impaired functioning of the left ventricle caused by elevated pressures and pulmonary congestion.

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The physiological process of taking in oxygen from the air and expelling carbon dioxide, essential for life in many organisms.

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