ICSE Class 7 Chemistry Elements and Compounds
- characteristics of elements
- 80 metals have been discovered so far true or false
- can water vapour be ice
- how are molecules classified based on their atomicity
- What is the difference between valency and atomicity? What is the valency and atomicity of Potassium, Sulphur, Sodium and Gold?
- What is Co6. What is radicle. What is define of veleoncy. What is the charge of potassium charcolate. How atom and molecules differ. Difference between element and mixture. What is nitre.
- What is the charge of pottasium chlorate
- what is radical ?
- what is define of valency?
- how atoms molecules and radicals differ
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