Class 11ChemistryClassification of Elements and Periodicity in PropertiesMix Examples - Classification of Elements and Periodicity in Properties
EasyWhich element from the following exhibits a diagonal relationship with $Mg$?
- A$Be$
- B$Li$
- C$Na$
- D$B$
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Match the following columns:
Column-$I$ Column-$II$ $A$. Ionisation potential $P$. $O < F < N$ $B$. Electronegativity $Q$. $N < O < F$ $C$. $Z_{eff}$ $R$. $O < N < F$ $D$. Electron affinity $S$. $N < C < O$
| Column-$I$ | Column-$II$ |
| $A$. Ionisation potential | $P$. $O < F < N$ |
| $B$. Electronegativity | $Q$. $N < O < F$ |
| $C$. $Z_{eff}$ | $R$. $O < N < F$ |
| $D$. Electron affinity | $S$. $N < C < O$ |
Which property decreases from left to right across the periodic table and increases from top to bottom?
$(i)$ Atomic radius
$(ii)$ Electronegativity
$(iii)$ Ionisation energy
$(iv)$ Metallic character
$(i)$ Atomic radius
$(ii)$ Electronegativity
$(iii)$ Ionisation energy
$(iv)$ Metallic character
The electronic configurations of $4$ atoms are given below:
$P = [Ne] \, 3s^2 3p^3$
$Q = [Ar] \, 3d^{10} 4s^2 4p^3$
$R = [He] \, 2s^2 2p^5$
$S = [Ne] \, 3s^1$
Which of the following statements is incorrect?
$P = [Ne] \, 3s^2 3p^3$
$Q = [Ar] \, 3d^{10} 4s^2 4p^3$
$R = [He] \, 2s^2 2p^5$
$S = [Ne] \, 3s^1$
Which of the following statements is incorrect?
Medium
View SolutionChoose the correct statement.
Medium
View SolutionChoose the incorrect order.
Difficult
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