$\operatorname{Zr}\,(\mathrm{Z}=40)$ and $\mathrm{Hf}\,(\mathrm{Z}=72)$ have similar atomic and ionic radii because of :

  • [NEET 2021]
  • A

    belonging to same group

  • B

    diagonal relationship

  • C

    lanthanoid contraction

  • D

    having similar chemical properties

Similar Questions

Which of the following is correct

In the ground state of cobalt atom $(Z = 27)$ there are ....... unpaired electrons and thus the atom is.......

Which of the following pairs of elements cannot form an alloy

A compound of a metal ion $M^{x+}$ $(Z = 24)$ has a spin only magnetic moment of $\sqrt {15}$ Bohr Magnetons. The number of unpaired electrons in the compound are

  • [AIIMS 2013]

Chloride of which of the following elements will be coloured