$\operatorname{Zr}\,(\mathrm{Z}=40)$ and $\mathrm{Hf}\,(\mathrm{Z}=72)$ have similar atomic and ionic radii because of :
$\operatorname{Zr}\,(\mathrm{Z}=40)$ 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
Which of the following is correct
In the ground state of cobalt atom $(Z = 27)$ there are ....... unpaired electrons and thus the atom is.......
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
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
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
Chloride of which of the following elements will be coloured