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# Dictionary of elements and their densities in g/cm^3
elements = {
'Hydrogen': 0.00008988,
'Helium': 0.0001785,
'Lithium': 0.534,
'Beryllium': 1.85,
'Boron': 2.34,
'Carbon': 2.267,
'Nitrogen': 0.0012506,
'Oxygen': 0.001429,
'Fluorine': 0.001696,
'Neon': 0.0008999,
'Sodium': 0.971,
'Magnesium': 1.738,
'Aluminum': 2.70,
'Silicon': 2.33,
'Phosphorus': 1.82,
'Sulfur': 2.07,
'Chlorine': 0.003214,
'Argon': 0.0017837,
'Potassium': 0.862,
'Calcium': 1.54,
'Scandium': 2.99,
'Titanium': 4.54,
'Vanadium': 6.11,
'Chromium': 7.19,
'Manganese': 7.21,
'Iron': 7.874,
'Cobalt': 8.9,
'Nickel': 8.908,
'Copper': 8.96,
'Zinc': 7.134,
'Gallium': 5.904,
'Germanium': 5.323,
'Arsenic': 5.776,
'Selenium': 4.809,
'Bromine': 3.1028,
'Krypton': 0.003733,
'Rubidium': 1.532,
'Strontium': 2.64,
'Yttrium': 4.472,
'Zirconium': 6.52,
'Niobium': 8.57,
'Molybdenum': 10.22,
'Technetium': 11.5,
'Ruthenium': 12.1,
'Rhodium': 12.41,
'Palladium': 12.023,
'Silver': 10.49,
'Cadmium': 8.69,
'Indium': 7.31,
'Tin': 7.287,
'Antimony': 6.685,
'Tellurium': 6.24,
'Iodine': 4.933,
'Xenon': 0.005887,
'Cesium': 1.93,
'Barium': 3.62,
'Lanthanum': 6.162,
'Cerium': 6.77,
'Praseodymium': 6.773,
'Neodymium': 7.007,
'Promethium': 7.26,
'Samarium': 7.52,
'Europium': 5.243,
'Gadolinium': 7.895,
'Terbium': 8.229,
'Dysprosium': 8.55,
'Holmium': 8.795,
'Erbium': 9.066,
'Thulium': 9.321,
'Ytterbium': 6.965,
'Lutetium': 9.84,
'Hafnium': 13.31,
'Tantalum': 16.654,
'Tungsten': 19.25,
'Rhenium': 21.02,
'Osmium': 22.59,
'Iridium': 22.56,
'Platinum': 21.45,
'Gold': 19.3,
'Mercury': 13.5336,
'Thallium': 11.85,
'Lead': 11.342,
'Bismuth': 9.78,
'Polonium': 9.32,
'Astatine': 7.0,
'Radon': 0.00973,
'Francium': 1.87,
'Radium': 5.5,
'Actinium': 10.07,
'Thorium': 11.72,
'Protactinium': 15.37,
'Uranium': 18.95,
'Neptunium': 20.45,
'Plutonium': 19.84,
'Americium': 13.69,
'Curium': 13.51,
'Berkelium': 14.78,
'Californium': 15.1,
'Einsteinium': 8.84,
'Fermium': 9.7,
'Mendelevium': 10.3,
'Nobelium': 9.9,
'Lawrencium': 15.6,
'Rutherfordium': 23.2, # estimated
'Dubnium': 29.3, # estimated
'Seaborgium': 35.0, # estimated
'Bohrium': 37.1, # estimated
'Hassium': 41.0, # estimated
'Meitnerium': 37.4, # estimated
'Darmstadtium': 34.8, # estimated
'Roentgenium': 28.7, # estimated
'Copernicium': 23.7, # estimated
}
# Sort elements by density
sorted_elements = sorted(elements.items(), key=lambda x: x[1])
# Print sorted elements
for element, density in sorted_elements:
print(f"{element}: {density} g/cm^3") |