When an excited electron in an atom moves to the ground state, the electron
(1) absorbs energy...
When an excited electron in an atom moves to the ground state, the electron
(1) absorbs energy as it moves to a higher energy state
(2) absorbs energy as it moves to a lower energy state
(3) emits energy as it moves to a higher energy : state
(4) emits energy as it moves to a lower energy state
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Skills of homo sapiens were found an excavation. the skulls were preserved because the bodies were frozen. so, these fossils are (blank) fossils.the image shows the evolution of skulls beginning 2 to 3 million years ago. based on the image, modern human skulls(blank) ape skulls.
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Describe the forces both attractive and repulsive that occur as two atoms move closer together.
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