Non metals || physical and chemical properties of non metals || significance of non metals #mmkchemistry #nonmetals #propertiesofnonmetals #importanceofnonmetals In this chemistry tutorial i am going to define and briefly explain the concept of non metals . i will discuss physical and chemical properties of non metals. i will briefly explain the significance and importance of non metals . if you are chemistry student specially class 9 chemistry student and you are looking for video to understand