EASY
9th CBSE
IMPORTANT
Earn 100

Give the symbol of the following element.
Cobalt

Important Questions on Atoms and Molecules

EASY
9th CBSE
IMPORTANT
All In One SCIENCE CBSE Class IX>Chapter 3 - Atoms and Molecules>CHAPTER EXERCISE>Q 10
Give the symbol of the following element.
Arsenic
EASY
9th CBSE
IMPORTANT
All In One SCIENCE CBSE Class IX>Chapter 3 - Atoms and Molecules>CHAPTER EXERCISE>Q 10
Give the symbol of the following element.
Radon
EASY
9th CBSE
IMPORTANT
All In One SCIENCE CBSE Class IX>Chapter 3 - Atoms and Molecules>CHAPTER EXERCISE>Q 11
Write the ions present in
Al2CO33
EASY
9th CBSE
IMPORTANT
All In One SCIENCE CBSE Class IX>Chapter 3 - Atoms and Molecules>CHAPTER EXERCISE>Q 11
Write the ions present in
AlBr3
MEDIUM
9th CBSE
IMPORTANT
All In One SCIENCE CBSE Class IX>Chapter 3 - Atoms and Molecules>CHAPTER EXERCISE>Q 12
An element has a valency of 3. Write the simplest formula for sulphide of the element.
EASY
9th CBSE
IMPORTANT
All In One SCIENCE CBSE Class IX>Chapter 3 - Atoms and Molecules>CHAPTER EXERCISE>Q 13
Name the compound represented by the formula K2SO4.
EASY
9th CBSE
IMPORTANT
All In One SCIENCE CBSE Class IX>Chapter 3 - Atoms and Molecules>CHAPTER EXERCISE>Q 14
The formula of carbonate of metal M is M2CO3. What is the formula for the phosphate of M?
MEDIUM
9th CBSE
IMPORTANT
All In One SCIENCE CBSE Class IX>Chapter 3 - Atoms and Molecules>CHAPTER EXERCISE>Q 15
Name any two monovalent cations, divalent cations and trivalent cations. Also name any one compound each one of them make.