In coordination chemistry, the coordination sphere refers to a central atom or ion and an array of molecules or anions, the ligands, around. Molecules that are attached noncovalently to the ligands are called the second coordination sphere.
Read more about Coordination Sphere: First Coordination Sphere, Second Coordination Sphere
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“No person can be considered as possessing a good education without religion. A good education is that which prepares us for our future sphere of action and makes us contented with that situation in life in which God, in his infinite mercy, has seen fit to place us, to be perfectly resigned to our lot in life, whatever it may be.”
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