Classification of Elements on the Basis of Electronic Configurations
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CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313018 Assertion :
Zn is not a transition element.
Reason :
Elements with incompletely filled d-orbital are called transition elements

1 If both Assertion & Reason are true and the reason is the correct explanation of the assertion.
2 If both Assertion & Reason are true but the reason is not the correct explanation of the assertion.
3 If Assertion is true but Reason is false.
4 If Assertion is false but Reason is true.
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313019 Find the total no. of d-block elements in the following atomic numbers?
\(48,28,70,100,55,45,34,36\)

1 5
2 3
3 6
4 2
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313020 Which of the following is not an actinoid?

1 Terbium (Z = 65)
2 Curium (Z = 96)
3 Californium (Z = 92)
4 Uranium (Z = 92)
NCERT Exemplar
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313021 Which of the following is not an lanthanoid?

1 Copernicium (Z = 112)
2 Neodymium (Z = 60)
3 Holmium (Z = 67)
4 Thulium (Z = 69)
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313022 Consider the following statements:
I. s-block elements are found pure in nature
II. d-block elements form coloured ions exhibit variable valence and paramagnetism
III. Lanthanoids contains the elements from Ce(Z = 58) to Lu (Z = 71)
IV. Actinoids contains the elements from Th(Z = 90) to Lr(Z = 103)
Choose the option with all the correct statements:

1 I and II
2 III and IV
3 II and III
4 II, III and IV
NEET DIGITAL LIBRARY
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313018 Assertion :
Zn is not a transition element.
Reason :
Elements with incompletely filled d-orbital are called transition elements

1 If both Assertion & Reason are true and the reason is the correct explanation of the assertion.
2 If both Assertion & Reason are true but the reason is not the correct explanation of the assertion.
3 If Assertion is true but Reason is false.
4 If Assertion is false but Reason is true.
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313019 Find the total no. of d-block elements in the following atomic numbers?
\(48,28,70,100,55,45,34,36\)

1 5
2 3
3 6
4 2
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313020 Which of the following is not an actinoid?

1 Terbium (Z = 65)
2 Curium (Z = 96)
3 Californium (Z = 92)
4 Uranium (Z = 92)
NCERT Exemplar
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313021 Which of the following is not an lanthanoid?

1 Copernicium (Z = 112)
2 Neodymium (Z = 60)
3 Holmium (Z = 67)
4 Thulium (Z = 69)
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313022 Consider the following statements:
I. s-block elements are found pure in nature
II. d-block elements form coloured ions exhibit variable valence and paramagnetism
III. Lanthanoids contains the elements from Ce(Z = 58) to Lu (Z = 71)
IV. Actinoids contains the elements from Th(Z = 90) to Lr(Z = 103)
Choose the option with all the correct statements:

1 I and II
2 III and IV
3 II and III
4 II, III and IV
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CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313018 Assertion :
Zn is not a transition element.
Reason :
Elements with incompletely filled d-orbital are called transition elements

1 If both Assertion & Reason are true and the reason is the correct explanation of the assertion.
2 If both Assertion & Reason are true but the reason is not the correct explanation of the assertion.
3 If Assertion is true but Reason is false.
4 If Assertion is false but Reason is true.
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313019 Find the total no. of d-block elements in the following atomic numbers?
\(48,28,70,100,55,45,34,36\)

1 5
2 3
3 6
4 2
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313020 Which of the following is not an actinoid?

1 Terbium (Z = 65)
2 Curium (Z = 96)
3 Californium (Z = 92)
4 Uranium (Z = 92)
NCERT Exemplar
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313021 Which of the following is not an lanthanoid?

1 Copernicium (Z = 112)
2 Neodymium (Z = 60)
3 Holmium (Z = 67)
4 Thulium (Z = 69)
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313022 Consider the following statements:
I. s-block elements are found pure in nature
II. d-block elements form coloured ions exhibit variable valence and paramagnetism
III. Lanthanoids contains the elements from Ce(Z = 58) to Lu (Z = 71)
IV. Actinoids contains the elements from Th(Z = 90) to Lr(Z = 103)
Choose the option with all the correct statements:

1 I and II
2 III and IV
3 II and III
4 II, III and IV
For More Updates join with Us
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313018 Assertion :
Zn is not a transition element.
Reason :
Elements with incompletely filled d-orbital are called transition elements

1 If both Assertion & Reason are true and the reason is the correct explanation of the assertion.
2 If both Assertion & Reason are true but the reason is not the correct explanation of the assertion.
3 If Assertion is true but Reason is false.
4 If Assertion is false but Reason is true.
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313019 Find the total no. of d-block elements in the following atomic numbers?
\(48,28,70,100,55,45,34,36\)

1 5
2 3
3 6
4 2
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313020 Which of the following is not an actinoid?

1 Terbium (Z = 65)
2 Curium (Z = 96)
3 Californium (Z = 92)
4 Uranium (Z = 92)
NCERT Exemplar
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313021 Which of the following is not an lanthanoid?

1 Copernicium (Z = 112)
2 Neodymium (Z = 60)
3 Holmium (Z = 67)
4 Thulium (Z = 69)
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313022 Consider the following statements:
I. s-block elements are found pure in nature
II. d-block elements form coloured ions exhibit variable valence and paramagnetism
III. Lanthanoids contains the elements from Ce(Z = 58) to Lu (Z = 71)
IV. Actinoids contains the elements from Th(Z = 90) to Lr(Z = 103)
Choose the option with all the correct statements:

1 I and II
2 III and IV
3 II and III
4 II, III and IV
NEET DIGITAL LIBRARY
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313018 Assertion :
Zn is not a transition element.
Reason :
Elements with incompletely filled d-orbital are called transition elements

1 If both Assertion & Reason are true and the reason is the correct explanation of the assertion.
2 If both Assertion & Reason are true but the reason is not the correct explanation of the assertion.
3 If Assertion is true but Reason is false.
4 If Assertion is false but Reason is true.
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313019 Find the total no. of d-block elements in the following atomic numbers?
\(48,28,70,100,55,45,34,36\)

1 5
2 3
3 6
4 2
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313020 Which of the following is not an actinoid?

1 Terbium (Z = 65)
2 Curium (Z = 96)
3 Californium (Z = 92)
4 Uranium (Z = 92)
NCERT Exemplar
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313021 Which of the following is not an lanthanoid?

1 Copernicium (Z = 112)
2 Neodymium (Z = 60)
3 Holmium (Z = 67)
4 Thulium (Z = 69)
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313022 Consider the following statements:
I. s-block elements are found pure in nature
II. d-block elements form coloured ions exhibit variable valence and paramagnetism
III. Lanthanoids contains the elements from Ce(Z = 58) to Lu (Z = 71)
IV. Actinoids contains the elements from Th(Z = 90) to Lr(Z = 103)
Choose the option with all the correct statements:

1 I and II
2 III and IV
3 II and III
4 II, III and IV