The atomic size of gallium is than aluminium.

Important Questions on Classification of Elements and Periodicity in Properties

EASY

Chemistry>Inorganic Chemistry>Classification of Elements and Periodicity in Properties>Atomic and Ionic Radius

Among the isoelectronic ions$\left({\mathrm{O}}^{2-}, {\mathrm{N}}^{3-}, {\mathrm{Mg}}^{2+}, {\mathrm{Na}}^{+}\right),$ the ions with the least and the highest ionic radius are, respectively

MEDIUM

Chemistry>Inorganic Chemistry>Classification of Elements and Periodicity in Properties>Atomic and Ionic Radius

The ionic radii of ${\mathrm{Na}}^{+}, {\mathrm{F}}^{-}, {\mathrm{O}}^{2-}, {\mathrm{N}}^{3-}$ follow the order

EASY

Chemistry>Inorganic Chemistry>Classification of Elements and Periodicity in Properties>Atomic and Ionic Radius

For ${\mathrm{Na}}^{+}, {\mathrm{Mg}}^{2+},\mathrm{ }{\mathrm{F}}^{-}$ and ${\mathrm{O}}^{2-}$, the correct order of increasing ionic radii is:

MEDIUM

Chemistry>Inorganic Chemistry>Classification of Elements and Periodicity in Properties>Atomic and Ionic Radius

The ionic radii $\left(\text{in}\mathrm{ Å}\right)$ of ${\mathrm{N}}^{3-},\mathrm{ }{\mathrm{O}}^{2-}\mathrm{ }$ and $\mathrm{ }{\mathrm{F}}^{-}\mathrm{ }$ are respectively:

MEDIUM

Chemistry>Inorganic Chemistry>Classification of Elements and Periodicity in Properties>Atomic and Ionic Radius

The size of the iso-electronic species $\mathrm{C}{\mathrm{l}}^{-}$ , Ar and $\mathrm{C}{\mathrm{a}}^{2+}$ is affected by:

EASY

Chemistry>Inorganic Chemistry>Classification of Elements and Periodicity in Properties>Atomic and Ionic Radius

Which of the following arrangements is correct regarding the three types of radii for an atom?

EASY

Chemistry>Inorganic Chemistry>Classification of Elements and Periodicity in Properties>Atomic and Ionic Radius

Which of the following is the correct order of radius?

MEDIUM

Chemistry>Inorganic Chemistry>Classification of Elements and Periodicity in Properties>Atomic and Ionic Radius

Which of the following orders of ionic radii is correctly represented?

MEDIUM

Chemistry>Inorganic Chemistry>Classification of Elements and Periodicity in Properties>Atomic and Ionic Radius

Which one of the following has largest ionic radius ?

EASY

Chemistry>Inorganic Chemistry>Classification of Elements and Periodicity in Properties>Atomic and Ionic Radius

The species $\mathrm{A}\mathrm{r},\mathrm{ }{\mathrm{K}}^{+}$ and $\mathrm{C}{\mathrm{a}}^{2+}\mathrm{ }$ contain the same number of electrons. In which order do their radii increase?

MEDIUM

Chemistry>Inorganic Chemistry>Classification of Elements and Periodicity in Properties>Atomic and Ionic Radius

The correct order of ionic radius is

MEDIUM

Chemistry>Inorganic Chemistry>Classification of Elements and Periodicity in Properties>Atomic and Ionic Radius

The ionic radius of $\text{'}\mathrm{Cr}\text{'}$ is minimum in which of the following compounds?

HARD

Chemistry>Inorganic Chemistry>Classification of Elements and Periodicity in Properties>Atomic and Ionic Radius

In which of the following pairs, both the species have nearly the same size ?

EASY

Chemistry>Inorganic Chemistry>Classification of Elements and Periodicity in Properties>Atomic and Ionic Radius

$\mathrm{F}$-atom is _____ in size than ${\mathrm{F}}^{-}$ ion.

EASY

Chemistry>Inorganic Chemistry>Classification of Elements and Periodicity in Properties>Atomic and Ionic Radius

Vander waal's radius is used for

MEDIUM

Chemistry>Inorganic Chemistry>Classification of Elements and Periodicity in Properties>Atomic and Ionic Radius

Which of the following sets contain only isoelectronic ions?

MEDIUM

Chemistry>Inorganic Chemistry>Classification of Elements and Periodicity in Properties>Atomic and Ionic Radius

The correct order of size of various species of ions is

EASY

Chemistry>Inorganic Chemistry>Classification of Elements and Periodicity in Properties>Atomic and Ionic Radius

The smallest species among the following is

HARD

Chemistry>Inorganic Chemistry>Classification of Elements and Periodicity in Properties>Atomic and Ionic Radius

Size of anion is greater than its atom because the effective _____ charge of the anion is smaller than that of its parent atom.

EASY

Chemistry>Inorganic Chemistry>Classification of Elements and Periodicity in Properties>Atomic and Ionic Radius

${\mathrm{Na}}^{+}$ ion is _____ in size than $\mathrm{Na}$-atom.