Rubidium

    Name: Rubidium
    Symbol: Rb
    Number of Energy Levels: 5
    Electrons on the outer energy level: 1
    Atomic number: 37
    Atomic Mass: 85.4678 Amu (Atomic Mass Units)
    Protons/Electrons: 37
    Neutrons: 48
    Density: 1.532 g/cm3
    Classification: Alkali Metal

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      Krypton

      Name: Krypton
      Symbol: Kr
      Number of Energy Levels: 4
      Electrons on the outer energy level: 8
      Atomic number: 36
      Atomic Mass: 83.8 Amu (Atomic Mass Units)
      Protons/Electrons: 36
      Neutrons: 48
      Density: 3.74 g/cm3
      Classification: Noble Gas

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        Bromine

        Name: Bromine
        Symbol: Br
        Number of Energy Levels: 4
        Electrons on the outer energy level: 7
        Atomic number: 35
        Atomic Mass: 79.904 Amu (Atomic Mass Units)
        Protons/Electrons: 35
        Neutrons: 45
        Density: 3.119 g/cm3
        Classification: Halogen

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          Selenium

          Name: Selenium
          Symbol: Se
          Number of Energy Levels: 4
          Electrons on the outer energy level: 6
          Atomic number: 34
          Atomic Mass: 78.96 Amu (Atomic Mass Units)
          Protons/Electrons: 34
          Neutrons: 45
          Density: 4.79 g/cm3
          Classification: Non-metal

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            Arsenic

            Name: Arsenic
            Symbol: As
            Number of Energy Levels: 4
            Electrons on the outer energy level: 5
            Atomic number: 33
            Atomic Mass: 74.9216 Amu (Atomic Mass Units)
            Protons/Electrons: 33
            Neutrons: 42
            Density: 5.72 g/cm3
            Classification: Metalloid

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              Germanium

              Name: Germanium
              Symbol: Ge
              Number of Energy Levels: 4
              Electrons on the outer energy level: 4
              Atomic number: 32
              Atomic Mass: 72.61 Amu (Atomic Mass Units)
              Protons/Electrons: 32
              Neutrons: 41
              Density: 5.323 g/cm3
              Classification: Metalloid

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                Gallium

                Name: Gallium
                Symbol: Ga
                Number of Energy Levels: 4
                Electrons on the outer energy level: 3
                Atomic number: 31
                Atomic Mass: 69.723 Amu (Atomic Mass Units)
                Protons/Electrons: 31
                Neutrons: 39
                Density: 5.907 g/cm3
                Classification: Other Metals

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                  Fish with potatoes and vegetables

                  Preparation time: 10 min
                  Cooking time: 20 min
                  Serves: 2

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                    Zinc

                    Name: Zinc
                    Symbol: Zn
                    Number of Energy Levels: 4
                    Electrons on the outer energy level: 2
                    Atomic number: 30
                    Atomic Mass: 65.39 Amu (Atomic Mass Units)
                    Protons/Electrons: 30
                    Neutrons: 35
                    Density: 7.133 g/cm3
                    Classification: Transition Metal

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                      Cooper

                      Name: Cooper
                      Symbol: Cu
                      Number of Energy Levels: 4
                      Electrons on the outer energy level: 1
                      Atomic number: 29
                      Atomic Mass: 63.546 Amu (Atomic Mass Units)
                      Protons/Electrons: 29
                      Neutrons: 35
                      Density: 8.96 g/cm3
                      Classification: Transition Metal

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