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According to the Bohr theory,the allowed energy states for the hydrogen atom are given by the relation This formula can be readily extended to other hydrogenic (one-electron) systems.The energy of the second level (n = 2) for the doubly ionized lithium atom is
Apraxia
A motor disorder caused by damage to the brain, characterized by difficulty in executing purposeful movements despite having the desire and physical ability to perform them.
Aphasia
is a communication disorder that results from damage to parts of the brain responsible for language, affecting the person's ability to speak, write, and understand others.
Agnosia
A neurological disorder marked by the inability to recognize and identify objects, people, sounds, or shapes, despite intact sensory faculties.
Neurogenesis
The process of forming new neurons in the brain, which occurs during prenatal development as well as in certain areas of the adult brain throughout a person's life.
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