Atomic radii of $Be, O, C, N, B$ are respectively (in $pm$):

The size of isoelectronic species $F^{-},$ $Ne$ and $Na^{+}$ is affected by
$(a)$ Nuclear charge $(Z)$
$(b)$ Valence principal quantum number $(n)$
$(c)$ Electron-electron interaction in the outer orbitals
$(d)$ None of the factors because their size is the same.

Which of the following atoms or ions has the smallest size?

In which of the following options,elements are correctly arranged in the increasing order of their atomic radius?

The smallest cation and the smallest anion are respectively

Which one of the following is the smallest in size?