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  • 1(current)
Q. No.

The ionic radius indicates the distance between the nucleus and :

1. outermost shell of an atom.

2. outermost shell of an ion.

3. outermost shell of the cation only.

4. outermost shell of the anion only.

Subtopic:  Atomic Size |
 70%
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 The trend of atomic radius in a period and a group is :

1. Generally decreases from right to left across a period and increases down a group.
2. Generally increases from left to right across a period and decreases down a group.
3. Generally decreases from left to right across a period and increases down a group.
4. Generally remains same from left to right across a period and increases down a group.

Subtopic:  Atomic Size |
 71%
From NCERT
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Anions are larger in radius than their parent atoms because:

1. An anion has a fewer number of electrons than its parent atom
2. An anion has the same number of electrons as its parent atom.
3. An anion has a higher effective nuclear charge. 
4. An anion has more electrons than its parent atom

Subtopic:  Atomic Size |
 84%
From NCERT
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The correct statement about radius is :

1. Radius increases during cation and anion formation.
2. Radius increases during anion formation and decreases during cation formation.
3. Radius decreases in cation as well as anion.
4. Radius decreases during anion formation and increases during cation formation.

Subtopic:  Atomic Size |
 91%
From NCERT
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The size of isoelectronic species: F–, Ne and Na+, is affected by :

1. Nuclear charge (Z)
2. Valence principal quantum number (n)
3. Electron-electron interaction in the outer orbitals
4. None of the above factors because their size is the same

Subtopic:  Atomic Size |
 68%
From NCERT
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Match the following isoelectronic species in column I and column II : 

Column I Column II
i. F- a. Br-
ii. Ar b.  Si2+
iii. Mg c. O2-
iv. Rb+ d. S2-
 
i ii iii iv
1. b c a d
2. c b a d
3. c d b a
4. b c d a
Subtopic:  Atomic Size |
 86%
From NCERT
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