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What is the maximum number of electrons which can be accommodated in an atom in which the highest principal quantum number value is 4:
(1) 10
(2) 18
(3) 32
(4) 54
Ans: 32
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The most important classification of elements is that of non-metallic versus metallic. Metallic elements form solids that are good conductors of electricity, and where bonding is n
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Ciprofloxacin is used to fight bacterial infections.
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