CBSE Class 9 Chemistry Basic Units Of Matter
- how are molecules formed?
- Define Atom
- what is kinetic energy?
- What type of iron is (CO3)2. Discuss
- An element X has a valancy 3.write the formula of its oxide
- Write the molecular formula of aluminum oxide
- what is valency?
- velency of the element in halogen group is ................
- How can we write chemical formulas
- How is valency calculated? Why some elements have two or more valencies?
Kindly Sign up for a personalised experience
- Ask Study Doubts
- Sample Papers
- Past Year Papers
- Textbook Solutions
Verify mobile number
Enter the OTP sent to your number