Class 11ChemistryClassification of Elements and Periodicity in PropertiesMix Examples - Classification of Elements and Periodicity in Properties
MediumWhich one of the following is a different pair?
- A$Li, Na$
- B$Be, Ba$
- C$N, As$
- D$O, At$
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Similar Questions
Which of the following statements is correct?
Medium
View SolutionWhich of the following orders is $CORRECT$?
Difficult
View SolutionWhich of the following statements is/are wrong?
Difficult
View SolutionThe electronic configurations of four elements are:
$I. [Xe] \, 6s^1$
$II. [Xe] \, 4f^{14} \, 5d^1 \, 6s^2$
$III. [Ar] \, 4s^2 \, 4p^5$
$IV. [Ar] \, 3d^7 \, 4s^2$
Select the incorrect statement about these elements.
$I. [Xe] \, 6s^1$
$II. [Xe] \, 4f^{14} \, 5d^1 \, 6s^2$
$III. [Ar] \, 4s^2 \, 4p^5$
$IV. [Ar] \, 3d^7 \, 4s^2$
Select the incorrect statement about these elements.
Difficult
View SolutionMatch the following and select the correct option:
List-$I$ List-$II$ $(A)$ Ionization enthalpy $(i)$ $P < Si < Mg < Na$ $(B)$ Metallic character $(ii)$ $I < N < O < F$ $(C)$ Electron gain enthalpy $(iii)$ $B < Be < C < O < N$ $(D)$ Electronegativity $(iv)$ $I < Br < F < Cl$
| List-$I$ | List-$II$ |
|---|---|
| $(A)$ Ionization enthalpy | $(i)$ $P < Si < Mg < Na$ |
| $(B)$ Metallic character | $(ii)$ $I < N < O < F$ |
| $(C)$ Electron gain enthalpy | $(iii)$ $B < Be < C < O < N$ |
| $(D)$ Electronegativity | $(iv)$ $I < Br < F < Cl$ |
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