MEDIUM
7th CBSE
IMPORTANT
Earn 100

 Name the elements present in the following compound and write their valency.
 Sulphur dioxide

Important Questions on Matter and Chemical Formulae

MEDIUM
7th CBSE
IMPORTANT
Expanded Universal Science 7>Chapter 5 - Matter and Chemical Formulae>ASSESSMENT ZONE>Q F
A substance when viewed under an electron microscope revealed that it contains only one kind of atoms. Is the substance an element, compound or mixture?