Question

Class 9 cbse pt3 st. Xavier's jpr



Till which topic is diversity coming

Will atomic mass be provided in the exam

Is valency coming and if yes then upto what extent

Answer 1

We all know that the chemical formula for water is H2O. How many times have we wondered why it is written as “H2O” and not something else? What is the reason for this particular formula? The answer to the above question is “Valency”. Let us know more about Valency and how it helps in determining a formula!