Which of the following order of atomic radius is not wrong

  • A

    $Sc < Y \approx La$

  • B

    $K < Rb \approx Cs$

  • C

    $Ge < Sn > Pb$

  • D

    $Ni < Pd \approx Pt$

Similar Questions

For the first row transition metals the ${E^\Theta }$ values are: 

${E^\Theta }$ $V$ $Cr$ $Mn$ $Fe$ $Co$ $Ni$ $Cu$
$\left( {{M^{2 + }}/M} \right)$ $-1.18$ $-0.91$ $-1.18$ $-0.44$ $-0.28$ $-0.25$ $+0.35$

Explain the irregularity in the above values.

Which of the following compounds show colour due to $d-d$ transition?

  • [JEE MAIN 2024]

The $d-$ block element which is a liquid at room temperature, having high specific heat, less reactivity than hydrogen and its chloride $(MX_2)$ is volatile on heating is

Mercury is the only metal which is liquid at ${0\,^o}C$. This is due to its

  • [AIPMT 1995]

Which is heaviest among the following