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  1. Hace 9 horas · The Weimar Republic, officially known as the German Reich, was a historical period of Germany from 9 November 1918 to 23 March 1933, during which it was a constitutional federal republic for the first time in history; hence it is also referred to, and unofficially proclaimed itself, as the German Republic. The period's informal name is derived from the city of Weimar, which hosted the ...

  2. en.wikipedia.org › wiki › NeutronNeutron - Wikipedia

    Hace 1 día · The neutron is a subatomic particle, symbol n or n 0, which has a neutral (not positive or negative) charge, and a mass slightly greater than that of a proton.Protons and neutrons constitute the nuclei of atoms.Since protons and neutrons behave similarly within the nucleus, they are both referred to as nucleons.Nucleons have a mass of approximately one atomic mass unit, or dalton (symbol: Da).

  3. Hace 1 día · Follow reaction and fallout from the final head-to-head between the prime minister and Labour leader ahead of polling day on 4 July.