Introduction to the f-block elements
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CHXII08:THE D- & F-BLOCK ELEMENTS

321578 Which of the following elements belongs to actinoid series ?

1 La
2 \(\mathrm{\mathrm{Gd}}\)
3 \(\mathrm{\mathrm{Lu}}\)
4 \(\mathrm{\mathrm{Th}}\)
CHXII08:THE D- & F-BLOCK ELEMENTS

321579 Europium is

1 s-block element
2 p-block element
3 d-block element
4 f-block element
CHXII08:THE D- & F-BLOCK ELEMENTS

321580 Statement A :
The three series of the transition metals are 3d-series ( \(\mathrm{\mathrm{Sc}}\) to \(\mathrm{\mathrm{Zn}}\) ), 4d series ( \(\mathrm{\mathrm{Y}}\) to \(\mathrm{\mathrm{Cd}}\) ) and 5d-series. (La, Hf to \(\mathrm{\mathrm{Hg}}\) )
Statement B :
The two series of the inner transition metals (4f and \(\mathrm{5 \mathrm{f}}\) ) are known as actinoids and lanthanoids, respectively.

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.
CHXII08:THE D- & F-BLOCK ELEMENTS

321581 The elements in which differentiating electrons are progressively filled in \(\mathrm{4 f}\) orbital are called

1 actinoids
2 transition elements
3 lanthanoids
4 halogens.
KCET - 2019
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CHXII08:THE D- & F-BLOCK ELEMENTS

321578 Which of the following elements belongs to actinoid series ?

1 La
2 \(\mathrm{\mathrm{Gd}}\)
3 \(\mathrm{\mathrm{Lu}}\)
4 \(\mathrm{\mathrm{Th}}\)
CHXII08:THE D- & F-BLOCK ELEMENTS

321579 Europium is

1 s-block element
2 p-block element
3 d-block element
4 f-block element
CHXII08:THE D- & F-BLOCK ELEMENTS

321580 Statement A :
The three series of the transition metals are 3d-series ( \(\mathrm{\mathrm{Sc}}\) to \(\mathrm{\mathrm{Zn}}\) ), 4d series ( \(\mathrm{\mathrm{Y}}\) to \(\mathrm{\mathrm{Cd}}\) ) and 5d-series. (La, Hf to \(\mathrm{\mathrm{Hg}}\) )
Statement B :
The two series of the inner transition metals (4f and \(\mathrm{5 \mathrm{f}}\) ) are known as actinoids and lanthanoids, respectively.

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.
CHXII08:THE D- & F-BLOCK ELEMENTS

321581 The elements in which differentiating electrons are progressively filled in \(\mathrm{4 f}\) orbital are called

1 actinoids
2 transition elements
3 lanthanoids
4 halogens.
KCET - 2019
NEET DIGITAL LIBRARY
CHXII08:THE D- & F-BLOCK ELEMENTS

321578 Which of the following elements belongs to actinoid series ?

1 La
2 \(\mathrm{\mathrm{Gd}}\)
3 \(\mathrm{\mathrm{Lu}}\)
4 \(\mathrm{\mathrm{Th}}\)
CHXII08:THE D- & F-BLOCK ELEMENTS

321579 Europium is

1 s-block element
2 p-block element
3 d-block element
4 f-block element
CHXII08:THE D- & F-BLOCK ELEMENTS

321580 Statement A :
The three series of the transition metals are 3d-series ( \(\mathrm{\mathrm{Sc}}\) to \(\mathrm{\mathrm{Zn}}\) ), 4d series ( \(\mathrm{\mathrm{Y}}\) to \(\mathrm{\mathrm{Cd}}\) ) and 5d-series. (La, Hf to \(\mathrm{\mathrm{Hg}}\) )
Statement B :
The two series of the inner transition metals (4f and \(\mathrm{5 \mathrm{f}}\) ) are known as actinoids and lanthanoids, respectively.

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.
CHXII08:THE D- & F-BLOCK ELEMENTS

321581 The elements in which differentiating electrons are progressively filled in \(\mathrm{4 f}\) orbital are called

1 actinoids
2 transition elements
3 lanthanoids
4 halogens.
KCET - 2019
Join With Us for More Updates
CHXII08:THE D- & F-BLOCK ELEMENTS

321578 Which of the following elements belongs to actinoid series ?

1 La
2 \(\mathrm{\mathrm{Gd}}\)
3 \(\mathrm{\mathrm{Lu}}\)
4 \(\mathrm{\mathrm{Th}}\)
CHXII08:THE D- & F-BLOCK ELEMENTS

321579 Europium is

1 s-block element
2 p-block element
3 d-block element
4 f-block element
CHXII08:THE D- & F-BLOCK ELEMENTS

321580 Statement A :
The three series of the transition metals are 3d-series ( \(\mathrm{\mathrm{Sc}}\) to \(\mathrm{\mathrm{Zn}}\) ), 4d series ( \(\mathrm{\mathrm{Y}}\) to \(\mathrm{\mathrm{Cd}}\) ) and 5d-series. (La, Hf to \(\mathrm{\mathrm{Hg}}\) )
Statement B :
The two series of the inner transition metals (4f and \(\mathrm{5 \mathrm{f}}\) ) are known as actinoids and lanthanoids, respectively.

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.
CHXII08:THE D- & F-BLOCK ELEMENTS

321581 The elements in which differentiating electrons are progressively filled in \(\mathrm{4 f}\) orbital are called

1 actinoids
2 transition elements
3 lanthanoids
4 halogens.
KCET - 2019
For More Updates join with Us