Which of the following properties show gradual decrease with incr… - Vidyadip

MCQ

Which of the following properties show gradual decrease with increase in atomic number across a period in the periodic table

A
Electron affinity
B
Ionization potential
C
Electronegativity
✓
Size of atom

✓

Answer

Correct option: D.

Size of atom

d
Across a period size of atom decrease with increase in atomic number due to increase in effective nuclear charge.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "M.C.Q (1 Marks)" from 3. Classification of elements and periodicity in properties→3. Classification of elements and periodicity in properties — all question types→Chemistry STD 11 Science question papers→Gujarat Board STD 11 Science question papers→Gujarat Board question paper generator→

Similar questions

The ionic radii $\mathop A\limits^o $ of $C^{4-}$ and $O^{2-}$ respectively are $2.60$ and $1.40$. The ionic radius of the isoelectronic ion $N^{3-}$ would be :-

Which shows the least dipole moment

Number of neutrons in heavy hydrogen atom is

Which of the following statement concerning the four quantum numbers is false

At $298\, \mathrm{~K}$, the enthalpy of fusion of a solid $(\mathrm{X})$ is $2.8 \,\mathrm{k} \mathrm{J}\, \mathrm{mol}^{-1}$ and the enthalpy of vaporisation of the liquid $(X)$ is $98.2 \,\mathrm{~kJ}\, \mathrm{~mol}^{-1}$. The enthalpy of sublimation of the substance $(\mathrm{X})$ in $\mathrm{kJ} \,\mathrm{mol}^{-1}$ is $.....$ (in nearest integer)

The standard electrode potential $E^-$ and its temperature coefficient $\left( {\frac{{d{E^ - }}}{{dT}}} \right)$ for a cell are $2\,V$ and $-\,5\times10^{-4}\,V\,K^{-1}$ at $300\,K$ respectively. The cell reaction is

$Zn\left( s \right) + C{u^{2 + }}\left( {aq} \right) \rightleftharpoons Z{n^{2 + }}\left( {aq} \right) + Cu\left( s \right)$

Standard reaction enthalpy $\left( {{\Delta _r}{H^ - }} \right)$ ....... $\mathrm{kJ}$

When $\alpha $-particles are sent through a thin metal foil, most of them go straight through the foil because (one or more are correct)

The correct order of hydration enthalpies of alkali metal ions is

For the reaction :

$N{H_3}(g) \rightleftharpoons \frac{1}{2}{N_2}\left( g \right) + \frac{3}{2}{H_2}(g);{K_p}$

The degree of dissociation $(\alpha )$ of $NH_3$ is related to total equilibrium pressure $(P^o)$ as

Diagonal relationship is quite pronounced in the elements of :