02. Atomic and Ionic Radii
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Classification of Elements and Periodicity in Properties

89459 The atom of largest size among the following is

1 $\mathrm{Li}$
2 $\mathrm{At}$
3 I
4 $\mathrm{Be}$
J and K CET-(2016)
Classification of Elements and Periodicity in Properties

89467 Which of the following is correct?

1 Radius of $\mathrm{Ca}^{2+}<\mathrm{Cl}^{-}<\mathrm{S}^{2-}$
2 Radius of $\mathrm{Cl}^{-}<\mathrm{S}^{2-}<\mathrm{Ca}^{2+}$
3 Radius of $\mathrm{S}^{2-}=\mathrm{Cl}^{-}=\mathrm{Ca}^{2+}$
4 Radius of $\mathrm{S}^{2-}<\mathrm{Cl}^{-}<\mathrm{Ca}^{2+}$
WB-JEE-2012
Classification of Elements and Periodicity in Properties

89474 The increasing order of the ionic radii of the given isoelectronic species is

1 $\mathrm{Cl}^{-}, \mathrm{Ca}^{2+}, \mathrm{K}^{+}, \mathrm{S}^2$
2 $\mathrm{S}^{2-}, \mathrm{Cl}^{-}, \mathrm{Ca}^{2+}, \mathrm{K}^{+}$
3 $\mathrm{Ca}^{2+}, \mathrm{K}^{+}, \mathrm{Cl}^{-}, \mathrm{S}^{2-}$
4 $\mathrm{K}^{+}, \mathrm{S}^{2-}, \mathrm{Ca}^{2+}, \mathrm{Cl}^{-}$
(AIEEE 2012)
Classification of Elements and Periodicity in Properties

89476 There is a general understanding of ionic radius based on the nuclear charges and the number of electrons surrounding the nucleus which generally works very well. Which one of the following represents the correct decreasing order of ionic radius for $\mathrm{C}^{4-}, \mathrm{N}^{3-}, \mathrm{O}^{2-}$ and $\mathrm{F}^{-}$?

1 $\mathrm{C}^{4-}>\mathrm{N}^{3-}>\mathrm{O}^{2-}>\mathrm{F}^{-}$
2 $\mathrm{F}^{-}>\mathrm{O}^{2-}>\mathrm{N}^{3-}>\mathrm{C}^{4-}$
3 $\mathrm{O}^{2-}>\mathrm{N}^{3-}>\mathrm{C}^{4-}>\mathrm{F}^{-}$
4 $\mathrm{F}^{-}>\mathrm{N}^{3-}>\mathrm{C}^{4-}>\mathrm{O}^{2-}$
UPTU/UPSEE-2011
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Classification of Elements and Periodicity in Properties

89459 The atom of largest size among the following is

1 $\mathrm{Li}$
2 $\mathrm{At}$
3 I
4 $\mathrm{Be}$
J and K CET-(2016)
Classification of Elements and Periodicity in Properties

89467 Which of the following is correct?

1 Radius of $\mathrm{Ca}^{2+}<\mathrm{Cl}^{-}<\mathrm{S}^{2-}$
2 Radius of $\mathrm{Cl}^{-}<\mathrm{S}^{2-}<\mathrm{Ca}^{2+}$
3 Radius of $\mathrm{S}^{2-}=\mathrm{Cl}^{-}=\mathrm{Ca}^{2+}$
4 Radius of $\mathrm{S}^{2-}<\mathrm{Cl}^{-}<\mathrm{Ca}^{2+}$
WB-JEE-2012
Classification of Elements and Periodicity in Properties

89474 The increasing order of the ionic radii of the given isoelectronic species is

1 $\mathrm{Cl}^{-}, \mathrm{Ca}^{2+}, \mathrm{K}^{+}, \mathrm{S}^2$
2 $\mathrm{S}^{2-}, \mathrm{Cl}^{-}, \mathrm{Ca}^{2+}, \mathrm{K}^{+}$
3 $\mathrm{Ca}^{2+}, \mathrm{K}^{+}, \mathrm{Cl}^{-}, \mathrm{S}^{2-}$
4 $\mathrm{K}^{+}, \mathrm{S}^{2-}, \mathrm{Ca}^{2+}, \mathrm{Cl}^{-}$
(AIEEE 2012)
Classification of Elements and Periodicity in Properties

89476 There is a general understanding of ionic radius based on the nuclear charges and the number of electrons surrounding the nucleus which generally works very well. Which one of the following represents the correct decreasing order of ionic radius for $\mathrm{C}^{4-}, \mathrm{N}^{3-}, \mathrm{O}^{2-}$ and $\mathrm{F}^{-}$?

1 $\mathrm{C}^{4-}>\mathrm{N}^{3-}>\mathrm{O}^{2-}>\mathrm{F}^{-}$
2 $\mathrm{F}^{-}>\mathrm{O}^{2-}>\mathrm{N}^{3-}>\mathrm{C}^{4-}$
3 $\mathrm{O}^{2-}>\mathrm{N}^{3-}>\mathrm{C}^{4-}>\mathrm{F}^{-}$
4 $\mathrm{F}^{-}>\mathrm{N}^{3-}>\mathrm{C}^{4-}>\mathrm{O}^{2-}$
UPTU/UPSEE-2011
NEET DIGITAL LIBRARY
Classification of Elements and Periodicity in Properties

89459 The atom of largest size among the following is

1 $\mathrm{Li}$
2 $\mathrm{At}$
3 I
4 $\mathrm{Be}$
J and K CET-(2016)
Classification of Elements and Periodicity in Properties

89467 Which of the following is correct?

1 Radius of $\mathrm{Ca}^{2+}<\mathrm{Cl}^{-}<\mathrm{S}^{2-}$
2 Radius of $\mathrm{Cl}^{-}<\mathrm{S}^{2-}<\mathrm{Ca}^{2+}$
3 Radius of $\mathrm{S}^{2-}=\mathrm{Cl}^{-}=\mathrm{Ca}^{2+}$
4 Radius of $\mathrm{S}^{2-}<\mathrm{Cl}^{-}<\mathrm{Ca}^{2+}$
WB-JEE-2012
Classification of Elements and Periodicity in Properties

89474 The increasing order of the ionic radii of the given isoelectronic species is

1 $\mathrm{Cl}^{-}, \mathrm{Ca}^{2+}, \mathrm{K}^{+}, \mathrm{S}^2$
2 $\mathrm{S}^{2-}, \mathrm{Cl}^{-}, \mathrm{Ca}^{2+}, \mathrm{K}^{+}$
3 $\mathrm{Ca}^{2+}, \mathrm{K}^{+}, \mathrm{Cl}^{-}, \mathrm{S}^{2-}$
4 $\mathrm{K}^{+}, \mathrm{S}^{2-}, \mathrm{Ca}^{2+}, \mathrm{Cl}^{-}$
(AIEEE 2012)
Classification of Elements and Periodicity in Properties

89476 There is a general understanding of ionic radius based on the nuclear charges and the number of electrons surrounding the nucleus which generally works very well. Which one of the following represents the correct decreasing order of ionic radius for $\mathrm{C}^{4-}, \mathrm{N}^{3-}, \mathrm{O}^{2-}$ and $\mathrm{F}^{-}$?

1 $\mathrm{C}^{4-}>\mathrm{N}^{3-}>\mathrm{O}^{2-}>\mathrm{F}^{-}$
2 $\mathrm{F}^{-}>\mathrm{O}^{2-}>\mathrm{N}^{3-}>\mathrm{C}^{4-}$
3 $\mathrm{O}^{2-}>\mathrm{N}^{3-}>\mathrm{C}^{4-}>\mathrm{F}^{-}$
4 $\mathrm{F}^{-}>\mathrm{N}^{3-}>\mathrm{C}^{4-}>\mathrm{O}^{2-}$
UPTU/UPSEE-2011
Join With Us for More Updates
Classification of Elements and Periodicity in Properties

89459 The atom of largest size among the following is

1 $\mathrm{Li}$
2 $\mathrm{At}$
3 I
4 $\mathrm{Be}$
J and K CET-(2016)
Classification of Elements and Periodicity in Properties

89467 Which of the following is correct?

1 Radius of $\mathrm{Ca}^{2+}<\mathrm{Cl}^{-}<\mathrm{S}^{2-}$
2 Radius of $\mathrm{Cl}^{-}<\mathrm{S}^{2-}<\mathrm{Ca}^{2+}$
3 Radius of $\mathrm{S}^{2-}=\mathrm{Cl}^{-}=\mathrm{Ca}^{2+}$
4 Radius of $\mathrm{S}^{2-}<\mathrm{Cl}^{-}<\mathrm{Ca}^{2+}$
WB-JEE-2012
Classification of Elements and Periodicity in Properties

89474 The increasing order of the ionic radii of the given isoelectronic species is

1 $\mathrm{Cl}^{-}, \mathrm{Ca}^{2+}, \mathrm{K}^{+}, \mathrm{S}^2$
2 $\mathrm{S}^{2-}, \mathrm{Cl}^{-}, \mathrm{Ca}^{2+}, \mathrm{K}^{+}$
3 $\mathrm{Ca}^{2+}, \mathrm{K}^{+}, \mathrm{Cl}^{-}, \mathrm{S}^{2-}$
4 $\mathrm{K}^{+}, \mathrm{S}^{2-}, \mathrm{Ca}^{2+}, \mathrm{Cl}^{-}$
(AIEEE 2012)
Classification of Elements and Periodicity in Properties

89476 There is a general understanding of ionic radius based on the nuclear charges and the number of electrons surrounding the nucleus which generally works very well. Which one of the following represents the correct decreasing order of ionic radius for $\mathrm{C}^{4-}, \mathrm{N}^{3-}, \mathrm{O}^{2-}$ and $\mathrm{F}^{-}$?

1 $\mathrm{C}^{4-}>\mathrm{N}^{3-}>\mathrm{O}^{2-}>\mathrm{F}^{-}$
2 $\mathrm{F}^{-}>\mathrm{O}^{2-}>\mathrm{N}^{3-}>\mathrm{C}^{4-}$
3 $\mathrm{O}^{2-}>\mathrm{N}^{3-}>\mathrm{C}^{4-}>\mathrm{F}^{-}$
4 $\mathrm{F}^{-}>\mathrm{N}^{3-}>\mathrm{C}^{4-}>\mathrm{O}^{2-}$
UPTU/UPSEE-2011
For More Updates join with Us