As an electron in an atom moves from the ground state to the excited state, the electron (1) gains energy as it moves to a higher energy level (2) gains energy as it moves to a lower energy level (3) loses energy as it moves to a higher energy level (4) loses energy as it moves to a lower energy level

Respuesta :

Electron requires energy to move from ground state to excited state(higher energy levels). Hence option 1 is correct. Hope this helps!

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