NuclearPhoenixx

{
  "U-238": [
    110,
    49.55
  ],
  "Co-56": [
    511,
    846.75,
    1037.86,
    1238.29,

GoodmanSciences

AtomicNumber,Element,Symbol,AtomicMass,NumberofNeutrons,NumberofProtons,NumberofElectrons,Period,Group,Phase,Radioactive,Natural,Metal,Nonmetal,Metalloid,Type,AtomicRadius,Electronegativity,FirstIonization,Density,MeltingPoint,BoilingPoint,NumberOfIsotopes,Discoverer,Year,SpecificHeat,NumberofShells,NumberofValence
1,Hydrogen,H,1.007,0,1,1,1,1,gas,,yes,,yes,,Nonmetal,0.79,2.2,13.5984,8.99E-05,14.175,20.28,3,Cavendish,1766,14.304,1,1
2,Helium,He,4.002,2,2,2,1,18,gas,,yes,,yes,,Noble Gas,0.49,,24.5874,1.79E-04,,4.22,5,Janssen,1868,5.193,1,
3,Lithium,Li,6.941,4,3,3,2,1,solid,,yes,yes,,,Alkali Metal,2.1,0.98,5.3917,5.34E-01,453.85,1615,5,Arfvedson,1817,3.582,2,1
4,Beryllium,Be,9.012,5,4,4,2,2,solid,,yes,yes,,,Alkaline Earth Metal,1.4,1.57,9.3227,1.85E+00,1560.15,2742,6,Vaulquelin,1798,1.825,2,2
5,Boron,B,10.811,6,5,5,2,13,solid,,yes,,,yes,Metalloid,1.2,2.04,8.298,2.34E+00,2573.15,4200,6,Gay-Lussac,1808,1.026,2,3
6,Carbon,C,12.011,6,6,6,2,14,solid,,yes,,yes,,Nonmetal,0.91,2.55,11.2603,2.27E+00,3948.15,4300,7,Prehi