Thorium

    Name: Thorium
    Symbol: Th
    Number of Energy Levels: 7
    Electrons on the outer energy level: 2
    Atomic number: 90
    Atomic Mass: 232.03 Amu (Atomic Mass Units)
    Protons/Electrons: 90
    Neutrons: 142
    Density: 11.72 g/cm3
    Classification: Rare Earth

    Thorium (… read the full article)

      Actinium

      Name: Actinium
      Symbol: Ac
      Number of Energy Levels: 7
      Electrons on the outer energy level: 2
      Atomic number: 89
      Atomic Mass: 227.0 Amu (Atomic Mass Units)
      Protons/Electrons: 89
      Neutrons: 138
      Density: 10.07 g/cm3
      Classification: Rare Earth

      Actinium (… read the full article)

        Radium

        Name: Radium
        Symbol: Ra
        Number of Energy Levels: 7
        Electrons on the outer energy level: 2
        Atomic number: 88
        Atomic Mass: 226.0 Amu (Atomic Mass Units)
        Protons/Electrons: 88
        Neutrons: 138
        Density: 5.0 g/cm3
        Classification: Alkali Earth

        Radium (… read the full article)

          Francium

          Name: Francium
          Symbol: Fr
          Number of Energy Levels: 7
          Electrons on the outer energy level: 1
          Atomic number: 87
          Atomic Mass: 223.0 Amu (Atomic Mass Units)
          Protons/Electrons: 87
          Neutrons: 136
          Density: Unknown g/cm3
          Classification: Alkali Metal

          Francium (… read the full article)

            Radon

            Name: Radon
            Symbol: Rn
            Number of Energy Levels: 6
            Electrons on the outer energy level: 8
            Atomic number: 86
            Atomic Mass: 222.0 Amu (Atomic Mass Units)
            Protons/Electrons: 86
            Neutrons: 136
            Density: 9.73 g/cm3
            Classification: Noble Gas

            Radon (… read the full article)

              Astatine

              Name: Astatine
              Symbol: At
              Number of Energy Levels: 6
              Electrons on the outer energy level: 7
              Atomic number: 85
              Atomic Mass: 210.0 Amu (Atomic Mass Units)
              Protons/Electrons: 85
              Neutrons: 125
              Density: Unknown
              Classification: Halogen

              Astatine (… read the full article)

                Polonium

                Name: Polonium
                Symbol: Po
                Number of Energy Levels: 6
                Electrons on the outer energy level: 6
                Atomic number: 84
                Atomic Mass: 209.0 Amu (Atomic Mass Units)
                Protons/Electrons: 84
                Neutrons: 125
                Density: 9.4 g/cm3
                Classification: Metalloid

                Polonium (… read the full article)

                  Religion is bad for humanity

                  It is a very serious problem. All religions are a pest to mankind. Religion is the opium of people. Religion has done great harm to humanity during its history.

                  Let’s take an example. Religion pretended that a child born out of wedlock does not have any rights regarding the inheritance of his father’s wealth, because the child would be illegitimate since the father of such a child is not registered in any document as being the child’s father. (… read the full article)

                    Bismuth

                    Name: Bismuth
                    Symbol: Bi
                    Number of Energy Levels: 6
                    Electrons on the outer energy level: 5
                    Atomic number: 83
                    Atomic Mass: 207.2 Amu (Atomic Mass Units)
                    Protons/Electrons: 83
                    Neutrons: 126
                    Density: 9.8 g/cm3
                    Classification: Other Metals

                    Bismuth (… read the full article)

                      Lead

                      Name: Lead
                      Symbol: Pb
                      Number of Energy Levels: 6
                      Electrons on the outer energy level: 4
                      Atomic number: 82
                      Atomic Mass: 207.2 Amu (Atomic Mass Units)
                      Protons/Electrons: 82
                      Neutrons: 125
                      Density: 11.34 g/cm3
                      Classification: Other Metals

                      Lead (… read the full article)