EASY
9th CBSE
IMPORTANT
Earn 100

For the smallest particle of composition, 'Parmanu' was used by:

81.25% studentsanswered this correctly

Important Questions on Atoms and Molecules

EASY
9th CBSE
IMPORTANT
The radius of hydrogen atom is: 
EASY
9th CBSE
IMPORTANT
Law of conservation of mass was attributed by:
EASY
9th CBSE
IMPORTANT
Atomic theory was proposed by:
EASY
9th CBSE
IMPORTANT
Theory of constant composition was proposed by:
EASY
9th CBSE
IMPORTANT
The mass of hydrogen atom is determined:
EASY
9th CBSE
IMPORTANT
Avogadro's number is equal to: