Consider the following elements.

Which of the following is/are true about $\mathrm{A}^{\prime}, \mathrm{B}^{\prime}, \mathrm{C}^{\prime}$ and...

Given below are two statements :
Statement (I): Both metal and non-metal exist in p and d-block elements.
Statement (II): Non-metals have higher ionization...

Given below are two statements:
Statement I: Fluorine has most negative electron gain enthalpy in its group.
Statement II: Oxygen has least negative electron gain...

The element having the highest first ionization enthalpy is

Total number of ions from the following with noble gas configuration is
$...

The atomic number of the element from the following with lowest $1^{\text {st }}$ ionisation enthalpy is :

Given below are two statements :
Statement (I): The first ionisation enthalpy of group 14 elements is higher than the corresponding elements of group 13.
...

The correct statements from the following are.
(A) $\mathrm{Tl}^{3+}$ is a powerful oxidising agent
(B) $\mathrm{Al}^{3+}$ does not get reduced easily
(C)...

Match the LIST-I with LIST-II

Choose the correct answer from the options given below:

The correct orders among the following are
Atomic radius: $\mathrm{B}<\mathrm{Al}<\mathrm{Ga}<\ln <\mathrm{Tl}$ Electronegativity: $\mathrm{Al}<\mathrm{Ga}<\mathrm{In}<\mathrm{Tl}<\mathrm{B}$ Density: $\mathrm{Tl}<\mathrm{In}<\mathrm{Ga}<\mathrm{Al}<\mathrm{B}$ 1st Ionisation Energy: In $<\mathrm{Al}<\mathrm{Ga}<\mathrm{Tl}<\mathrm{B}$
Choose the correct answer from...