Periodic Trends in Chemical Properties of Elements
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CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313366 Which electronic configuration of an element has abnormally high difference between second and third ionization energy?

1 \({\rm{1}}{{\rm{s}}^{\rm{2}}}{\rm{,2}}{{\rm{s}}^{\rm{2}}}{\rm{,2}}{{\rm{p}}^{\rm{6}}}{\rm{,3}}{{\rm{s}}^{\rm{1}}}\)
2 \({\rm{1}}{{\rm{s}}^{\rm{2}}}{\rm{,2}}{{\rm{s}}^{\rm{2}}}{\rm{,2}}{{\rm{p}}^{\rm{6}}}{\rm{,3}}{{\rm{s}}^{\rm{1}}}{\rm{3}}{{\rm{p}}^{\rm{1}}}\)
3 \({\rm{1}}{{\rm{s}}^{\rm{2}}}{\rm{,2}}{{\rm{s}}^{\rm{2}}}{\rm{,2}}{{\rm{p}}^{\rm{6}}}{\rm{,3}}{{\rm{s}}^{\rm{2}}}{\rm{3}}{{\rm{p}}^{\rm{2}}}\)
4 \({\rm{1}}{{\rm{s}}^{\rm{2}}}{\rm{,2}}{{\rm{s}}^{\rm{2}}}{\rm{,2}}{{\rm{p}}^{\rm{6}}}{\rm{,3}}{{\rm{s}}^{\rm{2}}}\)
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313367 \({\mathrm{\mathrm{IE}_{1}}}\) and \({\mathrm{\mathrm{IE}_{2}}}\) of Mg are 178 and 348 kcal \({\rm{mo}}{{\rm{l}}^{ - 1}}{\rm{ }}\). The energy required for the reaction \({\rm{Mg}} \to {\rm{M}}{{\rm{g}}^{{\rm{2 + }}}}{\rm{ + 2}}{{\rm{e}}^ - }\) is ____ .

1 350
2 656
3 526
4 720
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313368 The first ionisation energies of the elements of the first transition series \((\mathrm{Ti} \rightarrow \mathrm{Cu}\) )

1 increase as the atomic number increases
2 decrease as the atomic number increases
3 do not show any change as the addition of electrons takes place in the inner (n-1)d orbitals
4 increase from \(\mathrm{Ti}\) to \(\mathrm{Mn}\) and then decrease from Mn to Cu
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313369 Among the following elements, the one that has highest ionisation energy is

1 \(\left[ {{\rm{Ne}}} \right]{\rm{3}}{{\rm{s}}^{\rm{2}}}\,{\rm{3}}{{\rm{p}}^{\rm{1}}}\)
2 \(\left[ {{\rm{Ne}}} \right]{\rm{3}}{{\rm{s}}^{\rm{2}}}\,{\rm{3}}{{\rm{p}}^{\rm{3}}}\)
3 \(\left[ {{\rm{Ne}}} \right]{\rm{3}}{{\rm{s}}^{\rm{2}}}\,{\rm{3}}{{\rm{p}}^{\rm{4}}}\)
4 \(\left[ {{\rm{Ar}}} \right]{\rm{3}}{{\rm{d}}^{{\rm{10}}}}\,{\rm{4}}{{\rm{s}}^{\rm{2}}}\,{\rm{4}}{{\rm{p}}^{\rm{3}}}\)
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CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313366 Which electronic configuration of an element has abnormally high difference between second and third ionization energy?

1 \({\rm{1}}{{\rm{s}}^{\rm{2}}}{\rm{,2}}{{\rm{s}}^{\rm{2}}}{\rm{,2}}{{\rm{p}}^{\rm{6}}}{\rm{,3}}{{\rm{s}}^{\rm{1}}}\)
2 \({\rm{1}}{{\rm{s}}^{\rm{2}}}{\rm{,2}}{{\rm{s}}^{\rm{2}}}{\rm{,2}}{{\rm{p}}^{\rm{6}}}{\rm{,3}}{{\rm{s}}^{\rm{1}}}{\rm{3}}{{\rm{p}}^{\rm{1}}}\)
3 \({\rm{1}}{{\rm{s}}^{\rm{2}}}{\rm{,2}}{{\rm{s}}^{\rm{2}}}{\rm{,2}}{{\rm{p}}^{\rm{6}}}{\rm{,3}}{{\rm{s}}^{\rm{2}}}{\rm{3}}{{\rm{p}}^{\rm{2}}}\)
4 \({\rm{1}}{{\rm{s}}^{\rm{2}}}{\rm{,2}}{{\rm{s}}^{\rm{2}}}{\rm{,2}}{{\rm{p}}^{\rm{6}}}{\rm{,3}}{{\rm{s}}^{\rm{2}}}\)
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313367 \({\mathrm{\mathrm{IE}_{1}}}\) and \({\mathrm{\mathrm{IE}_{2}}}\) of Mg are 178 and 348 kcal \({\rm{mo}}{{\rm{l}}^{ - 1}}{\rm{ }}\). The energy required for the reaction \({\rm{Mg}} \to {\rm{M}}{{\rm{g}}^{{\rm{2 + }}}}{\rm{ + 2}}{{\rm{e}}^ - }\) is ____ .

1 350
2 656
3 526
4 720
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313368 The first ionisation energies of the elements of the first transition series \((\mathrm{Ti} \rightarrow \mathrm{Cu}\) )

1 increase as the atomic number increases
2 decrease as the atomic number increases
3 do not show any change as the addition of electrons takes place in the inner (n-1)d orbitals
4 increase from \(\mathrm{Ti}\) to \(\mathrm{Mn}\) and then decrease from Mn to Cu
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313369 Among the following elements, the one that has highest ionisation energy is

1 \(\left[ {{\rm{Ne}}} \right]{\rm{3}}{{\rm{s}}^{\rm{2}}}\,{\rm{3}}{{\rm{p}}^{\rm{1}}}\)
2 \(\left[ {{\rm{Ne}}} \right]{\rm{3}}{{\rm{s}}^{\rm{2}}}\,{\rm{3}}{{\rm{p}}^{\rm{3}}}\)
3 \(\left[ {{\rm{Ne}}} \right]{\rm{3}}{{\rm{s}}^{\rm{2}}}\,{\rm{3}}{{\rm{p}}^{\rm{4}}}\)
4 \(\left[ {{\rm{Ar}}} \right]{\rm{3}}{{\rm{d}}^{{\rm{10}}}}\,{\rm{4}}{{\rm{s}}^{\rm{2}}}\,{\rm{4}}{{\rm{p}}^{\rm{3}}}\)
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CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313366 Which electronic configuration of an element has abnormally high difference between second and third ionization energy?

1 \({\rm{1}}{{\rm{s}}^{\rm{2}}}{\rm{,2}}{{\rm{s}}^{\rm{2}}}{\rm{,2}}{{\rm{p}}^{\rm{6}}}{\rm{,3}}{{\rm{s}}^{\rm{1}}}\)
2 \({\rm{1}}{{\rm{s}}^{\rm{2}}}{\rm{,2}}{{\rm{s}}^{\rm{2}}}{\rm{,2}}{{\rm{p}}^{\rm{6}}}{\rm{,3}}{{\rm{s}}^{\rm{1}}}{\rm{3}}{{\rm{p}}^{\rm{1}}}\)
3 \({\rm{1}}{{\rm{s}}^{\rm{2}}}{\rm{,2}}{{\rm{s}}^{\rm{2}}}{\rm{,2}}{{\rm{p}}^{\rm{6}}}{\rm{,3}}{{\rm{s}}^{\rm{2}}}{\rm{3}}{{\rm{p}}^{\rm{2}}}\)
4 \({\rm{1}}{{\rm{s}}^{\rm{2}}}{\rm{,2}}{{\rm{s}}^{\rm{2}}}{\rm{,2}}{{\rm{p}}^{\rm{6}}}{\rm{,3}}{{\rm{s}}^{\rm{2}}}\)
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313367 \({\mathrm{\mathrm{IE}_{1}}}\) and \({\mathrm{\mathrm{IE}_{2}}}\) of Mg are 178 and 348 kcal \({\rm{mo}}{{\rm{l}}^{ - 1}}{\rm{ }}\). The energy required for the reaction \({\rm{Mg}} \to {\rm{M}}{{\rm{g}}^{{\rm{2 + }}}}{\rm{ + 2}}{{\rm{e}}^ - }\) is ____ .

1 350
2 656
3 526
4 720
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313368 The first ionisation energies of the elements of the first transition series \((\mathrm{Ti} \rightarrow \mathrm{Cu}\) )

1 increase as the atomic number increases
2 decrease as the atomic number increases
3 do not show any change as the addition of electrons takes place in the inner (n-1)d orbitals
4 increase from \(\mathrm{Ti}\) to \(\mathrm{Mn}\) and then decrease from Mn to Cu
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313369 Among the following elements, the one that has highest ionisation energy is

1 \(\left[ {{\rm{Ne}}} \right]{\rm{3}}{{\rm{s}}^{\rm{2}}}\,{\rm{3}}{{\rm{p}}^{\rm{1}}}\)
2 \(\left[ {{\rm{Ne}}} \right]{\rm{3}}{{\rm{s}}^{\rm{2}}}\,{\rm{3}}{{\rm{p}}^{\rm{3}}}\)
3 \(\left[ {{\rm{Ne}}} \right]{\rm{3}}{{\rm{s}}^{\rm{2}}}\,{\rm{3}}{{\rm{p}}^{\rm{4}}}\)
4 \(\left[ {{\rm{Ar}}} \right]{\rm{3}}{{\rm{d}}^{{\rm{10}}}}\,{\rm{4}}{{\rm{s}}^{\rm{2}}}\,{\rm{4}}{{\rm{p}}^{\rm{3}}}\)
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CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313366 Which electronic configuration of an element has abnormally high difference between second and third ionization energy?

1 \({\rm{1}}{{\rm{s}}^{\rm{2}}}{\rm{,2}}{{\rm{s}}^{\rm{2}}}{\rm{,2}}{{\rm{p}}^{\rm{6}}}{\rm{,3}}{{\rm{s}}^{\rm{1}}}\)
2 \({\rm{1}}{{\rm{s}}^{\rm{2}}}{\rm{,2}}{{\rm{s}}^{\rm{2}}}{\rm{,2}}{{\rm{p}}^{\rm{6}}}{\rm{,3}}{{\rm{s}}^{\rm{1}}}{\rm{3}}{{\rm{p}}^{\rm{1}}}\)
3 \({\rm{1}}{{\rm{s}}^{\rm{2}}}{\rm{,2}}{{\rm{s}}^{\rm{2}}}{\rm{,2}}{{\rm{p}}^{\rm{6}}}{\rm{,3}}{{\rm{s}}^{\rm{2}}}{\rm{3}}{{\rm{p}}^{\rm{2}}}\)
4 \({\rm{1}}{{\rm{s}}^{\rm{2}}}{\rm{,2}}{{\rm{s}}^{\rm{2}}}{\rm{,2}}{{\rm{p}}^{\rm{6}}}{\rm{,3}}{{\rm{s}}^{\rm{2}}}\)
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313367 \({\mathrm{\mathrm{IE}_{1}}}\) and \({\mathrm{\mathrm{IE}_{2}}}\) of Mg are 178 and 348 kcal \({\rm{mo}}{{\rm{l}}^{ - 1}}{\rm{ }}\). The energy required for the reaction \({\rm{Mg}} \to {\rm{M}}{{\rm{g}}^{{\rm{2 + }}}}{\rm{ + 2}}{{\rm{e}}^ - }\) is ____ .

1 350
2 656
3 526
4 720
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313368 The first ionisation energies of the elements of the first transition series \((\mathrm{Ti} \rightarrow \mathrm{Cu}\) )

1 increase as the atomic number increases
2 decrease as the atomic number increases
3 do not show any change as the addition of electrons takes place in the inner (n-1)d orbitals
4 increase from \(\mathrm{Ti}\) to \(\mathrm{Mn}\) and then decrease from Mn to Cu
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313369 Among the following elements, the one that has highest ionisation energy is

1 \(\left[ {{\rm{Ne}}} \right]{\rm{3}}{{\rm{s}}^{\rm{2}}}\,{\rm{3}}{{\rm{p}}^{\rm{1}}}\)
2 \(\left[ {{\rm{Ne}}} \right]{\rm{3}}{{\rm{s}}^{\rm{2}}}\,{\rm{3}}{{\rm{p}}^{\rm{3}}}\)
3 \(\left[ {{\rm{Ne}}} \right]{\rm{3}}{{\rm{s}}^{\rm{2}}}\,{\rm{3}}{{\rm{p}}^{\rm{4}}}\)
4 \(\left[ {{\rm{Ar}}} \right]{\rm{3}}{{\rm{d}}^{{\rm{10}}}}\,{\rm{4}}{{\rm{s}}^{\rm{2}}}\,{\rm{4}}{{\rm{p}}^{\rm{3}}}\)
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