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Author Question: In the complex ion [ML6]n+, Mn+ has seven d electrons and L is a strong field ligand. According to ... (Read 29 times) |
A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.
Parkinson's disease is both chronic and progressive. This means that it persists over a long period of time and that its symptoms grow worse over time.
The horizontal fraction bar was introduced by the Arabs.
About 100 new prescription or over-the-counter drugs come into the U.S. market every year.
In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.