Instruction: Select energy type, and then click an element in the periodic table
 
| IA | 
                IIA | 
                IIIB | 
                IVB | 
                VB | 
                VIB | 
                VIIB | 
                VIII | 
                IB | 
                IIB | 
                IIIA | 
                IVA | 
                VA | 
                VIA | 
                VIIA | 
                VIIIA | 
        | 1H
                 | 
                 | 
                2He
                 | 
            | 3Li | 
                4Be | 
                 | 
                5B | 
                6C | 
                7N | 
                8O | 
                9F | 
                10Ne | 
            | 11Na | 
                12Mg | 
                 | 
                13Al | 
                14Si | 
                15P | 
                16S | 
                17Cl | 
                18Ar | 
            | 19K | 
                20Ca | 
                21Sc | 
                22Ti | 
                23V | 
                24Cr | 
                25Mn | 
                26Fe | 
                27Co | 
                28Ni | 
                29Cu | 
                30Zn | 
                31Ga | 
                32Ge | 
                33As | 
                34Se | 
                35Br | 
                36Kr
                 | 
            | 37Rb
                 | 
                38Sr
                 | 
                39Y | 
                40Zr | 
                41Nb | 
                42Mo | 
                43Tc
                 | 
                44Ru | 
                45Rh | 
                46Pd | 
                47Ag | 
                48Cd | 
                49In | 
                50Sn | 
                51Sb | 
                52Te | 
                53I | 
                54Xe | 
            | 55Cs | 
                56Ba | 
                57La | 
                72Hf | 
                73Ta | 
                74W | 
                75Re | 
                76Os | 
                77Ir | 
                78Pt | 
                79Au | 
                80Hg | 
                81Tl
                 | 
                82Pb | 
                83Bi | 
                84Po
                 | 
                85At
                 | 
                86Rn
                 | 
            | 87Fr
                 | 
                88Ra
                 | 
                89Ac
                 | 
                104Rf
                 | 
                105Db
                 | 
                106Sg
                 | 
                107Bh
                 | 
                108Hs
                 | 
                109Mt
                 | 
                 | 
                 | 
                 | 
                 | 
                 | 
                 | 
                 | 
                 | 
                 | 
            | lanthanides | 
                58Ce
                 | 
                59Pr
                 | 
                60Nd | 
                61Pm
                 | 
                62Sm
                 | 
                63Eu
                 | 
                64Gd | 
                65Tb | 
                66Dy | 
                67Ho | 
                68Er | 
                69Tm | 
                70Yb | 
                71Lu | 
                  | 
            | actinides | 
                90Th | 
                91Pa | 
                92U | 
                93Np | 
                94Pu | 
                95Am | 
                96Cm | 
                97Bk | 
                98Cf | 
                99Es | 
                100Fm | 
                101Md | 
                102No | 
                103Lr | 
                  | 
            | Metals
                    Transition metals
                    Metalloids
                    Nonmetals |