Published by:
CGP EDU Academic Team
Published on: August 21, 2026
Arrange the following (I to IV) in increasing order of masses (Atomic mass: 
)
(I) 1 molecule of oxygen
(II) 1 atom of nitrogen
(III) 
molecular weight of oxygen
(IV) 
atomic weight of copper
A
II 
I 
III 
IV
I III IV
B
IV 
III 
II 
I
III II I C
II 
III 
I 
IV
III I IV
D
III 
IV 
I 
II
IV I II
Text Solution
Verified by ExpertsThe correct answer is:
(I) 1 molecule of oxygen
molecule has mass 
molecule of 
has mass 
(II) 1 atom of nitrogen
atoms of 
has mass 
1 atom of 
has mass 
(III) 
molecular weight of oxygen 
(IV) 
atomic weight of copper 
II 
I 
III 
IV
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