Group 14 Elements: The Carbon Family

The first ionisation enthalpy of lead is greater than 

Why is the first ionisation enthalpy of $\mathrm{Pb}$ greater than $\mathrm{Sn}$?

The first ionisation enthalpy of Group-$14$ elements are higher than those of corresponding elements of Group-$13$. Give reason. 

Write the general valence shell electronic configuration of Group-$14$ elements.

Identify the radioactive isotope of carbon.

Write the naturally occurring isotopes of carbon.

Which of the following Group $14$ elements has the highest atomic radius?

Explain the variation in atomic radii of group 14 elements.

Which among the following properties of Group $14$ elements increases with increasing atomic number?

In the periodic table, element $\mathrm{R}$ belongs to the $14\mathrm{th}$ group and the third period. Arrange the elements below $\text{'}\mathrm{R}\text{'}$ in increasing atomic size order.

Which of the following statements is incorrect?

What is the general valence shell electronic configuration of group $14$ elements?

${\mathrm{SnO}}_2$ is _____ in nature. (Acidic/amphoteric)

An allotrope of carbon which exhibits only two types of $\mathrm{C}-\mathrm{C}$ bond distance of $143.5 \mathrm{pm}$ and $138.3 \mathrm{pm}$, is

The stability of dihalides of $\mathrm{Si}, \mathrm{Ge}, \mathrm{Sn}$ and $\mathrm{Pb}$ follows the sequence

Compare covalent radius of 14 group elements with 13 group elements.

The covalent radii of group $14$ elements are _____ than those of the elements of group $13.$

Compare the covalent radius among group 14 elements.

The boiling points of the boron family elements are _____ than carbon family elements.