Examlex
Transition metals within a period differ mainly in the number of ________ electrons.
Tympanic Membrane
The thin membrane that separates the external ear from the middle ear, commonly known as the eardrum, and vibrates in response to sound waves.
Sound Vibration
The oscillation of air particles caused by a vibrating object, which can travel through mediums such as air or water to produce sound.
Sense Receptors
Specialized cells or organ systems that detect and respond to external stimuli, sending signals to the brain for interpretation.
Farsightedness
A vision condition, also known as hyperopia, where distant objects are seen more clearly than close ones.
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