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The set of quantum numbers n= 3, l=0, m=0, s= -1/2 belongs to the element:
(1) Mg
(2) Na
(3) Ne
(4) F
Ans: Mg
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Which type of bond is formed between similar atoms: (1) Ionic (2) Covalent (3) Coordinate (4) Metallic Ans: Covalent
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how to learn the periodic table
The number of unpaired electrons in Fe 3+ (Z= 26) are: (1) 5 (2) 6 (3) 3 (4) 4 Ans: 5
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