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This of the following substances has giant covalent structure:
(1) Iodine crystal
(2) Solid co2
(3) Silica
(4) White phosphorus
Ans: Silica co2
The difference in the mass of 100 moles of sodium atoms and sodium ions is 5.48002grams .compute the mass of an electron
Limitations,Procedure, Advantages of radiometric titratons
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