what is 1s² 2s² 2p⁶ 3s² 3p⁶.... and so on? What are these used for? Can you give an example question and answer?
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what is 1s² 2s² 2p⁶ 3s² 3p⁶.... and so on? What are these used for? Can you give an example question and answer?
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Answer:
this is the electronic configuration of elements. These tells us many features of an atom i.e no. of orbits , orbitals , subshells , shape of shell , size of orbit movement of electrons etc. eg: Fe : atomic no. 26 , atomic configuration: 1s²2s²3s²3p⁶4s²3d⁶