Identify the correct order of the size of the following:

1. Ca2+<K+<Ar<S2-<Cl-

2. Ca2+<K+<Ar<Cl-<S2-

3. Ar<Ca2+<K+<Cl-<S2-

4. Ca2+<Ar+<K+<Cl-<S2-

Subtopic:  Atomic Size |
 83%
From NCERT
AIPMT - 2007
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Match the correct atomic radius with the corresponding element.

Element

Atomic radius (pm)

A.

Be

i. 

74

B.

C

ii. 

85

C.

O

iii.

112

D.

B

iv. 

77

E.

N

v. 

66

Codes :

Options:  A   B   C   D   E 
1.   i  ii  iii  iv  v
2.  iii   iv  v   ii  i
3.  iv  ii  iii   i  v
4.  v  ii    i   iii   iv

Subtopic:  Atomic Size |
 81%
From NCERT
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