MEDIUM
9th CBSE
IMPORTANT
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What is the difference between atomic mass and gram atomic mass?

Important Questions on Atoms and Molecules

MEDIUM
9th CBSE
IMPORTANT
Chemistry for Class IX>Chapter 3 - Atoms and Molecules>Exercise>Q 2

What is the difference between the actual mass of a molecule and gram molecular mass?

EASY
9th CBSE
IMPORTANT
Chemistry for Class IX>Chapter 3 - Atoms and Molecules>Exercise>Q 3

Define mole in terms of mass.

EASY
9th CBSE
IMPORTANT
Chemistry for Class IX>Chapter 3 - Atoms and Molecules>Exercise>Q 4
Define mole in terms of number.
MEDIUM
9th CBSE
IMPORTANT
Chemistry for Class IX>Chapter 3 - Atoms and Molecules>Exercise>Q 5
Define mole of an ionic compound. Explain with an example.
MEDIUM
9th CBSE
IMPORTANT
Chemistry for Class IX>Chapter 3 - Atoms and Molecules>Exercise>Q 6
What is the unit of atomic mass or molecular mass? What is the mass of this unit in kilograms?
MEDIUM
9th CBSE
IMPORTANT
Chemistry for Class IX>Chapter 3 - Atoms and Molecules>Exercise>Q 7

Why is the statement ' 1 mole of hydrogen' not correct? What should be the correct statement?

EASY
9th CBSE
IMPORTANT
Chemistry for Class IX>Chapter 3 - Atoms and Molecules>Exercise>Q 1

Define the following term:

Moles in terms of mass.

EASY
9th CBSE
IMPORTANT
Chemistry for Class IX>Chapter 3 - Atoms and Molecules>Exercise>Q 1

Define the following term:

Moles in terms of number.