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.
The extermination camps were nearly all in Nazi occupied Poland. Start of the Holocaust The Holocaust refers to genocide. Persecution and pogroms by the Nazis prior to the mass killings that started in 1941 do not have the obvious uniqueness of the Holocaust in the more precise sense. The holocaust ended in specific places when the Allies liberated the camps in 1944-1945. 2  The holocaust did not end completely till the end of WWII in Europe and the surrender of all German troops. 3  The Holocaust ended a few days after Hitler committed suicide in 1945.