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Why do the group 5A elements have relatively small electron affinities compared to the neighboring nonmetals in the corresponding rows?
Midclavicular Line
An imaginary vertical line that runs through the midpoint of the clavicle in a person's anatomical position.
Nasal Flaring
The widening of the nostrils during breathing, often seen as a sign of respiratory distress or increased effort to breathe.
Sternal
Pertaining to the sternum or breastbone, a long flat bone located in the central part of the chest.
Intercostal Retractions
The inward movement of the spaces between the ribs during inhalation, indicating respiratory distress or difficulty breathing.
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