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what are the subatomic particles present in an atom?
Q. Show the Units of Measurement? You most likely know your height in feet and inches. The majority people outside the United States however measure height in meters and centim
Q. Explain about Multidentate ligand? A multidentate ligand which combines with a metal ion through two or more atoms on the ligand simultaneously is called a cheldting agent.
examples of masking agents and substance used for
The number of electrons and neutrons of an element is 18 and 20 respectively. Its mass number is: (1) 17 (2) 37 (3)2 (4)38 Ans: 17
What was the calculated ?H value obtained for the reaction NH3 + HCl –› NH4Cl using the thermodynamic data in your lab procedure? The thermodynamic data is: •?H°f for NH3 (aq) = -
If value of azimuthal quantum number l is 2, then total possible values of magnetic quantum number will be: (1) 7 (2) 5 (3) 3 (4) 2 Ans: 3
The electronic configuration of calcium ion ( Ca2 + ) is: (1) 1s 1 , 2s 2, 2p 6 , 3s 2 , 3p 6 , 4s 2 (2) 1s 1 , 2s 2 , sp 6 , 3s 2 , 3p 6 , 4s 1
The atomic weight is the weight of an atom of a chemical element. For instance, the atomic weight of oxygen is 15.9994 and the atomic weight of hydrogen is 1.0079. Write a script
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