Select the Element Whose Lewis Symbol Is Correct

question 51

Multiple Choice

Select the element whose Lewis symbol is correct.

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Definitions:

Bronchial Constriction

The narrowing of the bronchi in the lungs due to the tightening of surrounding smooth muscle, often as a response to asthma or other respiratory conditions.

Pulmonary Emphysema

A chronic respiratory disease characterized by the destruction of the air sacs in the lungs, leading to difficulty in breathing.

Cigarette Smoking

The act of inhaling and exhaling the smoke produced by burning tobacco contained in cigarettes, which is harmful to health.

Respiratory System

The body system that carries on gas exchange; in vertebrates, consists of the lungs and airways.