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 Holocaust was a specific event in 20th century history: the intentional systematic annihilation of six million Jews and 'undesirables' by the Nazis and their collaborators between 1933 and 1945.he Holocaust did not happen suddenly, it was the end of a long process of anti-Semitism. The Nazis had come to power in 1933, and used propaganda and terror to enforce their anti-Semitic policies. Laws were passed by the Nazis called the Nuremburg Laws.