Class 11ChemistryClassification of Elements and Periodicity in PropertiesMix Examples - Classification of Elements and Periodicity in Properties
MediumWhich of the following is not correctly matched?
- A$Z = 48;$ group no. $= 12^{th},$ period no. $= 5^{th}$
- B$[Xe] \, 4f^7 \, 5d^1 \, 6s^2;$ group no. $= 3^{rd},$ period no. $= 6^{th}$
- C$[Rn] \, 5f^{14} \, 6d^3 \, 7s^2;$ group no. $= 5^{th},$ period no. $= 7^{th}$
- D$Z = 56;$ group no. $= 2^{nd},$ period no. $= 6^{th}$
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Similar Questions
State whether the following statements are true or false:
$(i)$ As the atomic number increases in a period,the nuclear charge increases,therefore the ionization enthalpy increases.
$(ii)$ As the metallic character of elements increases,the atomic radius generally increases.
$(iii)$ $Mn$ $(Z = 25)$ is a transition element. Although it is a $3d$-orbital element,its position in the periodic table is in the $4^{th}$ period.
$(i)$ As the atomic number increases in a period,the nuclear charge increases,therefore the ionization enthalpy increases.
$(ii)$ As the metallic character of elements increases,the atomic radius generally increases.
$(iii)$ $Mn$ $(Z = 25)$ is a transition element. Although it is a $3d$-orbital element,its position in the periodic table is in the $4^{th}$ period.
Medium
View SolutionDiagonal relationship is shown by
Medium
View SolutionWhich of the following statements is not correct?
Medium
View SolutionSelect the option containing the incorrect order of the parameters given.
Difficult
View SolutionWhich of the following statements is $NOT$ correct?
Medium
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