Other error codes for a Samsung Refrigerator: Display Panel Is Showing PC-ER: If the display panel shows PC-ER, make sure the wire harness under the top left door hinge is properly connected. Unplug the refrigerator and remove the top left hinge cover.
In 1913 one of Rutherford's students, Niels Bohr, proposed a model for the hydrogen atom that was consistent with Rutherford's model and yet also explained the spectrum of the hydrogen atom. The Bohr model was based on the following assumptions. 1.
The scientist who discovered that atoms have an energy level is  Niels Bohr in 1913. According to his model electrons move around  the nucleus much the same as the planets râ¦otate around the sun.