Class 10 science notes

class 10 science chapter 4 notes english

by Sam1999

Covalent Bond: The atomic number of carbon is 6. Its electronic configuration is 2, 4. It requires, 4 electrons to achieve the inert gas electronic configuration. But carbon cannot form an ionic bond. It could gain four electrons forming C4- cation. But it would be… Read More »class 10 science chapter 4 notes english

class 10 science chapter 1 english notes

by Sam1999

Chemical Reaction: The transformation of chemical substance into another chemical substance is known as Chemical Reaction. For example: Rusting of iron, the setting of milk into curd, digestion of food, respiration, etc. In a chemical reaction, a new substance is formed which is completely different… Read More »class 10 science chapter 1 english notes