Position of an Element on the Basis of Electronic Configuration
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CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313429 Assertion :
Helium is placed in group 18 along with p-block elements.
Reason :
It shows properties similar to p-block elements.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but Reason is correct.
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313430 The quantum numbers of the last electron in an element are l = 3, m = -2 and s = +1/ 2. In which block of the periodic table this element is present ?

1 s-Block
2 p-Block
3 d-Block
4 f-Block
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313409 An element with atomic number 21 is a

1 Transition element
2 Alkali metal
3 Halogen
4 Representative element
KCET - 2008
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313410 \({{\rm{M}}^{{\rm{3 + }}}}\) has electronic configuration as \(\left[ {{\rm{Ar}}} \right]{\rm{3}}{{\rm{d}}^{{\rm{10}}}}{\rm{,}}\) hence it lies in

1 s-block
2 p-block
3 d-block
4 f-block
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313411 Statement A :
The elements having \({\rm{1}}{{\rm{s}}^{\rm{2}}}\,{\rm{2}}{{\rm{s}}^{\rm{2}}}\,{\rm{2}}{{\rm{p}}^{\rm{6}}}\,{\rm{3}}{{\rm{s}}^{\rm{2}}}\,\,{\rm{and}}\,\,{\rm{1}}{{\rm{s}}^{\rm{2}}}\,{\rm{2}}{{\rm{s}}^{\rm{2}}}\) configuration belong to same period.
Statement B :
Both have same outermost electronic configuration.

1 Statement A is correct but statement B is incorrect
2 Statement A is incorrect but statement B is correct
3 Both statements are correct
4 Both statements are incorrect
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CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313429 Assertion :
Helium is placed in group 18 along with p-block elements.
Reason :
It shows properties similar to p-block elements.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but Reason is correct.
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313430 The quantum numbers of the last electron in an element are l = 3, m = -2 and s = +1/ 2. In which block of the periodic table this element is present ?

1 s-Block
2 p-Block
3 d-Block
4 f-Block
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313409 An element with atomic number 21 is a

1 Transition element
2 Alkali metal
3 Halogen
4 Representative element
KCET - 2008
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313410 \({{\rm{M}}^{{\rm{3 + }}}}\) has electronic configuration as \(\left[ {{\rm{Ar}}} \right]{\rm{3}}{{\rm{d}}^{{\rm{10}}}}{\rm{,}}\) hence it lies in

1 s-block
2 p-block
3 d-block
4 f-block
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313411 Statement A :
The elements having \({\rm{1}}{{\rm{s}}^{\rm{2}}}\,{\rm{2}}{{\rm{s}}^{\rm{2}}}\,{\rm{2}}{{\rm{p}}^{\rm{6}}}\,{\rm{3}}{{\rm{s}}^{\rm{2}}}\,\,{\rm{and}}\,\,{\rm{1}}{{\rm{s}}^{\rm{2}}}\,{\rm{2}}{{\rm{s}}^{\rm{2}}}\) configuration belong to same period.
Statement B :
Both have same outermost electronic configuration.

1 Statement A is correct but statement B is incorrect
2 Statement A is incorrect but statement B is correct
3 Both statements are correct
4 Both statements are incorrect
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CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313429 Assertion :
Helium is placed in group 18 along with p-block elements.
Reason :
It shows properties similar to p-block elements.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but Reason is correct.
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313430 The quantum numbers of the last electron in an element are l = 3, m = -2 and s = +1/ 2. In which block of the periodic table this element is present ?

1 s-Block
2 p-Block
3 d-Block
4 f-Block
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313409 An element with atomic number 21 is a

1 Transition element
2 Alkali metal
3 Halogen
4 Representative element
KCET - 2008
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313410 \({{\rm{M}}^{{\rm{3 + }}}}\) has electronic configuration as \(\left[ {{\rm{Ar}}} \right]{\rm{3}}{{\rm{d}}^{{\rm{10}}}}{\rm{,}}\) hence it lies in

1 s-block
2 p-block
3 d-block
4 f-block
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313411 Statement A :
The elements having \({\rm{1}}{{\rm{s}}^{\rm{2}}}\,{\rm{2}}{{\rm{s}}^{\rm{2}}}\,{\rm{2}}{{\rm{p}}^{\rm{6}}}\,{\rm{3}}{{\rm{s}}^{\rm{2}}}\,\,{\rm{and}}\,\,{\rm{1}}{{\rm{s}}^{\rm{2}}}\,{\rm{2}}{{\rm{s}}^{\rm{2}}}\) configuration belong to same period.
Statement B :
Both have same outermost electronic configuration.

1 Statement A is correct but statement B is incorrect
2 Statement A is incorrect but statement B is correct
3 Both statements are correct
4 Both statements are incorrect
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CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313429 Assertion :
Helium is placed in group 18 along with p-block elements.
Reason :
It shows properties similar to p-block elements.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but Reason is correct.
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313430 The quantum numbers of the last electron in an element are l = 3, m = -2 and s = +1/ 2. In which block of the periodic table this element is present ?

1 s-Block
2 p-Block
3 d-Block
4 f-Block
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313409 An element with atomic number 21 is a

1 Transition element
2 Alkali metal
3 Halogen
4 Representative element
KCET - 2008
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313410 \({{\rm{M}}^{{\rm{3 + }}}}\) has electronic configuration as \(\left[ {{\rm{Ar}}} \right]{\rm{3}}{{\rm{d}}^{{\rm{10}}}}{\rm{,}}\) hence it lies in

1 s-block
2 p-block
3 d-block
4 f-block
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313411 Statement A :
The elements having \({\rm{1}}{{\rm{s}}^{\rm{2}}}\,{\rm{2}}{{\rm{s}}^{\rm{2}}}\,{\rm{2}}{{\rm{p}}^{\rm{6}}}\,{\rm{3}}{{\rm{s}}^{\rm{2}}}\,\,{\rm{and}}\,\,{\rm{1}}{{\rm{s}}^{\rm{2}}}\,{\rm{2}}{{\rm{s}}^{\rm{2}}}\) configuration belong to same period.
Statement B :
Both have same outermost electronic configuration.

1 Statement A is correct but statement B is incorrect
2 Statement A is incorrect but statement B is correct
3 Both statements are correct
4 Both statements are incorrect
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CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313429 Assertion :
Helium is placed in group 18 along with p-block elements.
Reason :
It shows properties similar to p-block elements.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but Reason is correct.
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313430 The quantum numbers of the last electron in an element are l = 3, m = -2 and s = +1/ 2. In which block of the periodic table this element is present ?

1 s-Block
2 p-Block
3 d-Block
4 f-Block
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313409 An element with atomic number 21 is a

1 Transition element
2 Alkali metal
3 Halogen
4 Representative element
KCET - 2008
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313410 \({{\rm{M}}^{{\rm{3 + }}}}\) has electronic configuration as \(\left[ {{\rm{Ar}}} \right]{\rm{3}}{{\rm{d}}^{{\rm{10}}}}{\rm{,}}\) hence it lies in

1 s-block
2 p-block
3 d-block
4 f-block
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313411 Statement A :
The elements having \({\rm{1}}{{\rm{s}}^{\rm{2}}}\,{\rm{2}}{{\rm{s}}^{\rm{2}}}\,{\rm{2}}{{\rm{p}}^{\rm{6}}}\,{\rm{3}}{{\rm{s}}^{\rm{2}}}\,\,{\rm{and}}\,\,{\rm{1}}{{\rm{s}}^{\rm{2}}}\,{\rm{2}}{{\rm{s}}^{\rm{2}}}\) configuration belong to same period.
Statement B :
Both have same outermost electronic configuration.

1 Statement A is correct but statement B is incorrect
2 Statement A is incorrect but statement B is correct
3 Both statements are correct
4 Both statements are incorrect