periodictable

import periodictable # Access an element by its symbol hydrogen = periodictable.H print(f"Element: {hydrogen.name}, Symbol: {hydrogen.symbol}, Atomic Number: {hydrogen.number}, Mass: {hydrogen.mass:.3f} {hydrogen.mass_units}") # Access an element by its full name iron = periodictable.Fe print(f"Element: {iron.name}, Density: {iron.density:.2f} {iron.density_units}") # Iterate through all elements from periodictable import elements print("\nFirst 5 elements:") for i, el in enumerate(elements): if i >= 5: break print(f" {el.symbol}: {el.name}") # Calculate properties for a chemical formula water = periodictable.formula('H2O') print(f"\nFormula: {water}, Molar Mass: {water.mass:.3f}") # Access an isotope nickel_58 = periodictable.Ni[58] print(f"\nIsotope: {nickel_58.name}-{nickel_58.isotope}, Neutron Coherent Scattering Length: {nickel_58.neutron.coherent:.3f}")