Examlex
The number of different monochloro substitution products (C5H11Cl)that can form from the reaction of 2-methylbutane with Cl2 is ________.
Stethoscope
A medical instrument for listening to the action of someone's heart or breathing.
Physician
A medical professional trained to diagnose, treat, and prevent illnesses, and provide patient care.
Month
A unit of time, typically used in calendars, that roughly corresponds to the period required for the moon to orbit the Earth.
Fontanels
Membranous regions found in the skull of infants; permit the skull to move through the birth canal.
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