Question

Explain the following:
(a) Why are Zn, Cd and Hg not considered transition metals?
(b) Why are the compounds of transition metals generally coloured?
(c) Why do Zr and Hf exhibit almost similar properties?
(d) What is the basic difference in electronic configuration of lanthanides and those of actinides?
(e) The first ionisation energies of elements of first transition series do not vary much with increasing atomic number.

Answer 1

because the CNG has more power so it is called the station 1