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Class 10 Notes Science

Notes for class 10 Science, Chapter 4: Carbon and its Compounds

BONDING IN CARBON: COVALENT BOND → The atomic number of carbon is 6. It’s electronic configuration is 2, 4. It requires 4e– to achieve the inert gas electronic configuration. But carbon cannot form an ionic bond because it could gain 4e– forming C-4 anion. But it would be difficult for the nucleus with six protons […]

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Class 10 Notes Science

Notes for class 10 Science, Chapter 1: Chemical Reactions and Equations

CHEMICAL REACTIONS – the processes in which new substances with new properties are formed. During a chemical reaction- 1. Old chemical bonds which exists between atoms of reactants break. 2. Rearrangement of atoms takes place. 3. New chemical bonds are formed between the rearranged atom. Reactants – substances which take part in a chemical reaction […]