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does anyone know how to find the electron configuration of an element without using a periodic table?? group and period is already given

Respuesta :

For that you have to use the Aufbau principle

For example, writing the electronic configuration of Fe(28)

I recommend that you memorize the aufbau principle. Once you learn it, you don’t need anything else except the atomic number of the element to write it’s electronic configuration.
Hi I’m sorryyyy I’m not sure