Examlex
For all atoms of the same element, the 2s orbital is larger than the 1s orbital.
Tracheal Shift
The displacement of the trachea from its normal midline position, which can indicate underlying medical conditions such as a pneumothorax.
Neck Tumor
A growth or lump in the neck area that can be benign or malignant, requiring medical evaluation for diagnosis and treatment.
Unaffected Side
The side of the body or the part of an organ that remains normal or is not impacted by disease or injury.
Inguinal Lymph Nodes
These are a group of lymph nodes located in the inguinal (groin) area, which filter fluid and potentially harmful particles from the legs and groin area.
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Q54: What is the formula for lead(II)oxide?<br>A)PbO<br>B)PbO<sub>2</sub><br>C)Pb<sub>2</sub>O<br>D)PbO<sub>4</sub><br>E)Pb<sub>2</sub>O<sub>3</sub>
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