Isobars are atoms that have same atomic mass but different atomic number. They have different atomic numbers because they have different numbers of protons. They have the same atomic mass because they have just enough neutrons to make the same total of nucleons. Isobars occur at different places in the Periodic Table.
The Holocaust (also called Ha-Shoah in Hebrew) refers to the period from January 30, 1933 - when Adolf Hitler became chancellor of Germany - to May 8, 1945, when the war in Europe officially ended.
Confidence votes 58.0K. The Final Solution was conceived by the Nazi's during WW2 which ended in 1945. It is hard to say exactly when the Holocaust started. It started slowly in the 1930's with more and more restrictive regulations for the Jews, etc.