The number of d electrons, The number of d  electrons in Fe +2    (atomic ...

The number of d  electrons in Fe +2    (atomic number of Fe= 26  ) is not equal to that of the: (1) p-electrons in Ne   (At. No.= 10)   (2) s-electrons in   (At. No.= 12)

PH and PKA., a solid weak acid i weighed, dissolved in water and diluted to...

a solid weak acid i weighed, dissolved in water and diluted to exactly 50ml. 25ml of the solution is taken out and is tittrated to a natural endpoin with .10M NaOH. The titrated po

Isolation of important transition metals, Q. Show the Isolation of Importan...

Q. Show the Isolation of Important Transition Metals? Involved in the extraction of metals. Describe the extraction of important transition metals of the first transition serie

Ionic bond,

LANTHANIDE & ACTINIDES, 1. why YbS and YbI2 are semiconducting solids but ...

1. why YbS and YbI2 are semiconducting solids but LaS and LaI2 show metallic character. 2. Why is aqueous solution of Eu2+ thermodynamically less susceptible to oxidation than any

Type of bonding exists, Which type of bonding exists in  Li 2 o   and CaF 2...

Which type of bonding exists in  Li 2 o   and CaF 2    respectively : (1) Ionic, ionic                                   (2) Ionic, covalent    (3) Covalent, ionic

Inorganic chemistry, dipole moment of para.nitro aniline is 6.10 D.why

dipole moment of para.nitro aniline is 6.10 D.why

Electron configurations and orbital diagrams, Q. Describe Electron Configur...

Q. Describe Electron Configurations and Orbital Diagrams? Ans. Remember that the atomic number of an atom tells us the number of protons and electrons in the neutral atom. To a

Half life, A 64-g sample of germanium-66 is left undisturbed for 12.5 hours...

A 64-g sample of germanium-66 is left undisturbed for 12.5 hours. At the end of that period, only 2.0 g remain. What is the half-life of this material? 4. With a half-life of 28.8

Chemicals in medicines, write a conclusion on this topic

write a conclusion on this topic