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synthesis, posted date 1/12/2013 7;26;41 pm\location ;austeralia
GROUP 12: ZINC, CADMIUM, AND MERCURY Group 12 substance have the electron design ( n -1) d 10 ns 2 with n =4, 5 and 6 for Zn, Cd and Hg, respectively. They are formally pa
What does this mean? H+/H2O
Neutrons are found in atoms of all elements except in: (1) Chlorine (2) Oxygen (3) Argon (4)Hydrogen Ans: Hydrogen
Bohr's radius can have: (1) Discrete values (2) +ve values (3) - ve values (4) Fractional values Ans: +ve values
3d 10 4s0 electronic configuration exhibits by; (1) Zn ++ (2) Cu ++ (3) Cd ++ (4) Hg ++
caustic embrittlement
Action of grignard reagents on carbonyl compounds with examples
History of periodic table
Experimental evidence for the existence of the atomic nucleus comes from: (1) Millikan's oil drop experiment (2) Atomic emission spectroscopy (3) The magnetic bending of
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