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Guys now give answer to my question. Since we donot provide energy to an atom , how its ground state is converted to excited state for the combination of other atoms to it??

Posted by Sanidhya Jadaun? 7 years, 1 month ago

CBSE > Class 11 > Chemistry

7 answers

Priya Dharshini ☺☺ 7 years, 1 month ago

I know only this about the excited state. And sorry for wrong answer. If anyone know answer pls do let me know

2Thank You

Priya Dharshini ☺☺ 7 years, 1 month ago

Electrons get excited when they absorb photons or particles of light. There is specific energy difference between different shells of electrons. So an electron if given the required amount of energy to jump from its ground state to a higher state, will get excited. On absorbing light by electrons what is obtained is an absorbtion spectrum. After some time it releases the energy in the form of photons and comes back to its ground state.

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Sanidhya Jadaun? 7 years, 1 month ago

Maine socha ki mujhe ye question share karna chahiye??

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Sanidhya Jadaun? 7 years, 1 month ago

Answer : take an example of carbon atom which combines with four hydrogen atom. Sice carbon has total 6 electrons , therefore its configuration is 1s2 2s2 2p2. Since 2s and 2p are outermost valence shell . When two hydrogen reacts with two unpaired electrons in 2p , then two covalent bonds are formed. We all know that when a bond is formed some energy is released , this energy released is taken by two paired electrons and thus these get excited and unpaired and combines with two more hydrogen . Hence CH4 has formed

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Sanidhya Jadaun? 7 years, 1 month ago

Please give answer its a good question otherwise i may write the answer.

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Sanidhya Jadaun? 7 years, 1 month ago

If it is so , every atom would be unstable i.e. it in excited state?? Your answer is wrong .

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Priya Dharshini ☺☺ 7 years, 1 month ago

Kinetic and potential energy of atoms result from the motion of electrons. When electrons are excited they move to a higher energy orbital farther away from the atom.hence it is the energy present inside atom makes them excited

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