Select the Incorrect Statement About Elements and Compounds

question 90

Multiple Choice

Select the incorrect statement about elements and compounds.

• A)All ionic compounds are neutral.
• B)Some elements exist as molecules.
• C)The bonding in compounds may be covalent or ionic.
• D)The molecular formula of a compound provides more information than the structural formula.
• E)Among the elements, there are more metals than nonmetals.

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Definitions:

Mechanical Ventilator

A machine that supports or takes over the breathing process for patients who are unable to breathe adequately on their own.

Low-Pressure Alarm

An alert mechanism on medical devices, such as ventilators, indicating that air or fluid pressure has fallen below a pre-set threshold, potentially signaling a problem or leak.

Endotracheal Tube Cuff

A balloon-like structure on an endotracheal tube, which, when inflated, provides a seal between the tube and the trachea to maintain airway support during anesthesia or critical care.

Incentive Spirometer

A respiratory therapy device used to encourage patients to take deep breaths, aiding in lung recovery and preventing respiratory complications.