| Abundances of the elements | tantalum |
| Abundance in carbonaceous meteorites (by weight) | tantalum |
| Abundance in carbonaceous meteorites (by atoms) | tantalum |
| Abundance in Earth's crust (by weight) | tantalum |
| Abundance in Earth's crust (by atoms) | tantalum |
| Abundance in iron meteorites (by weight) | tantalum |
| Abundance in iron meteorites (by atoms) | tantalum |
| Abundance in oceans (by weight) | tantalum |
| Abundance in oceans (by atoms) | tantalum |
| Abundance in stream water (by weight) | tantalum |
| Abundance in stream water (by atoms) | tantalum |
| Abundance in the sun (by weight) | tantalum |
| Abundance in the sun (by atoms) | tantalum |
| Abundance in the universe (by weight) | tantalum |
| Abundance in the universe (by atoms) | tantalum |
| Abundances in humans (by weight) | tantalum |
| Abundances in humans (by atoms) | tantalum |
| Atomic radii (Clementi) | tantalum |
| Atomc radii (calculated) | tantalum |
| Atomic radius (empirical) | tantalum |
| Atomic number | tantalum |
| Atomic spectra | tantalum |
| Biology | tantalum |
| Block in periodic table | tantalum |
| Boiling point | tantalum |
| Boiling point of highest fluoride | tantalum |
| Boiling point of hydride | tantalum |
| Bond enthalpy (single bond) | tantalum |
| Bond enthalpy of diatomic M-Al molecules | tantalum |
| Bond enthalpy of diatomic M-Ar molecules | tantalum |
| Bond enthalpy of diatomic M-As molecules | tantalum |
| Bond enthalpy of diatomic M-B molecules | tantalum |
| Bond enthalpy of diatomic M-Ba molecules | tantalum |
| Bond enthalpy of diatomic M-Be molecules | tantalum |
| Bond enthalpy of diatomic M-Bi molecules | tantalum |
| Bond enthalpy of diatomic M-Br molecules | tantalum |
| Bond enthalpy of diatomic M-C molecules | tantalum |
| Bond enthalpy of diatomic M-Ca molecules | tantalum |
| Bond enthalpy of diatomic M-Cl molecules | tantalum |
| Bond enthalpy of diatomic M-Cs molecules | tantalum |
| Bond enthalpy of diatomic M-F molecules | tantalum |
| Bond enthalpy of diatomic M-Fr molecules | tantalum |
| Bond enthalpy of diatomic M-Ga molecules | tantalum |
| Bond enthalpy of diatomic M-Ge molecules | tantalum |
| Bond enthalpy of diatomic M-H molecules | tantalum |
| Bond enthalpy of diatomic M-He molecules | tantalum |
| Bond enthalpy of diatomic M-I molecules | tantalum |
| Bond enthalpy of diatomic M-In molecules | tantalum |
| Bond enthalpy of diatomic M-K molecules | tantalum |
| Bond enthalpy of diatomic M-Kr molecules | tantalum |
| Bond enthalpy of diatomic M-Li molecules | tantalum |
| Bond enthalpy of diatomic M-Mg molecules | tantalum |
| Bond enthalpy of diatomic M-N molecules | tantalum |
| Bond enthalpy of diatomic M-Na molecules | tantalum |
| Bond enthalpy of diatomic M-Ne molecules | tantalum |
| Bond enthalpy of diatomic M-O molecules | tantalum |
| Bond enthalpy of diatomic M-P molecules | tantalum |
| Bond enthalpy of diatomic M-Pb molecules | tantalum |
| Bond enthalpy of diatomic M-Ra molecules | tantalum |
| Bond enthalpy of diatomic M-Rb molecules | tantalum |
| Bond enthalpy of diatomic M-Rn molecules | tantalum |
| Bond enthalpy of diatomic M-S molecules | tantalum |
| Bond enthalpy of diatomic M-Sb molecules | tantalum |
| Bond enthalpy of diatomic M-Se molecules | tantalum |
| Bond enthalpy of diatomic M-Si molecules | tantalum |
| Bond enthalpy of diatomic M-Sn molecules | tantalum |
| Bond enthalpy of diatomic M-Sr molecules | tantalum |
| Bond enthalpy of diatomic M-Te molecules | tantalum |
| Bond enthalpy of diatomic M-Tl molecules | tantalum |
| Bond enthalpy of diatomic M-Xe molecules | tantalum |
| Bond enthalpy of diatomic molecules | tantalum |
| Bond enthalpy of homodinuclear molecules | tantalum |
| Bond length in element | tantalum |
| Bulk modulus | tantalum |
| CAS Registry number | tantalum |
| Chemistry | tantalum |
| Classification | tantalum |
| Colour | tantalum |
| Common oxidation numbers | tantalum |
| compounds | tantalum |
| contents | tantalum |
| Covalent radius | tantalum |
| covalent radii revisited (2008 values) | tantalum |
| Covalent radii (molecular single bond) | tantalum |
| Covalent radii (molecular double bond) | tantalum |
| Covalent radii (molecular triple bond) | tantalum |
| Critical temperature | tantalum |
| Crystal structure | tantalum |
| Density of solid | tantalum |
| Description | tantalum |
| Discovery | tantalum |
| Discovery | tantalum |
| Discovery | tantalum |
| Effective nuclear charge (Clementi) | tantalum |
| Effective nuclear charge (Clementi) - 1s | tantalum |
| Effective nuclear charge (Clementi) - 2p | tantalum |
| Effective nuclear charge (Clementi) - 2s | tantalum |
| Effective nuclear charge (Clementi) - 3d | tantalum |
| Effective nuclear charge (Clementi) - 3p | tantalum |
| Effective nuclear charge (Clementi) - 3s | tantalum |
| Effective nuclear charge (Clementi) - 4d | tantalum |
| Effective nuclear charge (Clementi) - 4f | tantalum |
| Effective nuclear charge (Clementi) - 4p | tantalum |
| Effective nuclear charge (Clementi) - 4s | tantalum |
| Effective nuclear charge (Clementi) - 5d | tantalum |
| Effective nuclear charge (Clementi) - 5p | tantalum |
| Effective nuclear charge (Clementi) - 5s | tantalum |
| Effective nuclear charge (Clementi) - 6p | tantalum |
| Effective nuclear charge (Clementi) - 6s | tantalum |
| Electrical resistivity | tantalum |
| Electron affinity | tantalum |
| Electron binding energies | tantalum |
| Electron binding energies (K) | tantalum |
| Electron binding energies (L-I) | tantalum |
| Electron binding energies (L-II) | tantalum |
| Electron binding energies (L-III) | tantalum |
| Electron binding energies (M-I) | tantalum |
| Electron binding energies (M-II) | tantalum |
| Electron binding energies (M-III) | tantalum |
| Electron binding energies (M-IV) | tantalum |
| Electron binding energies (M-V) | tantalum |
| Electron binding energies (N-I) | tantalum |
| Electron binding energies (N-II) | tantalum |
| Electron binding energies (N-III) | tantalum |
| Electron binding energies (N-IV) | tantalum |
| Electron binding energies (N-V) | tantalum |
| Electron binding energies (N-VI) | tantalum |
| Electron binding energies (N-VII) | tantalum |
| Electron binding energies (O-I) | tantalum |
| Electron binding energies (O-II) | tantalum |
| Electron binding energies (O-III) | tantalum |
| Electron binding energies (O-IV) | tantalum |
| Electron binding energies (O-V) | tantalum |
| Electron binding energies (P-I) | tantalum |
| Electron binding energies (P-II) | tantalum |
| Electron binding energies (P-III) | tantalum |
| Electron shell structure | tantalum |
| electronegativity | tantalum |
| Electronegativity (Allen) | tantalum |
| Electronegativity (Allred-Rochow) | tantalum |
| Electronegativity (Mulliken-Jaffe - s) | tantalum |
| Electronegativity (Mulliken-Jaffe - sp) | tantalum |
| Electronegativity (Mulliken-Jaffe -sp2) | tantalum |
| Electronegativity (Mulliken-Jaffe -sp3) | tantalum |
| Electronegativity (Mulliken-Jaffe) | tantalum |
| Electronegativity (Mulliken-Jaffe) p-orbital | tantalum |
| Electronegativity (Pauling) | tantalum |
| Electronegativity (Sanderson) | tantalum |
| Electronic configuration | tantalum |
| Element names and symbols | tantalum |
| Element popularity | tantalum |
| Enthalpy of atomization | tantalum |
| Enthalpy of fusion | tantalum |
| Enthalpy of vaporization | tantalum |
| Geology | tantalum |
| Group Name | tantalum |
| Group numbers | tantalum |
| Hardness - Brinell | tantalum |
| Hardness - Mineralogical | tantalum |
| Hardness - Vickers | tantalum |
| Health hazards | tantalum |
| History of the element | tantalum |
| Hydration enthalpy for metal ion M[I] | tantalum |
| Hydration enthalpy for metal ion M[II] | tantalum |
| Hydration enthalpy for metal ion M[III] | tantalum |
| Hydration enthalpy for metal ion M[IV] | tantalum |
| Hydrolysis constant of hydrated metal ion M(I) | tantalum |
| Hydrolysis constant of hydrated metal ion M(II) | tantalum |
| Hydrolysis constant of hydrated metal ion M(III) | tantalum |
| Hydrolysis constant of hydrated metal ion M(IV) | tantalum |
| Ionic radii (Shannon) | tantalum |
| Ionic radii (Shannon) for 8-coordinate M(-I) ion | tantalum |
| Ionic radii (Shannon) for 8-coordinate M(-II) ion | tantalum |
| Ionic radii (Shannon) for 8-coordinate M(I) ion | tantalum |
| Ionic radii (Shannon) for 8-coordinate M(II) ion | tantalum |
| Ionic radii (Shannon) for 8-coordinate M(III) ion | tantalum |
| Ionic radii (Shannon) for 8-coordinate M(IV) ion | tantalum |
| Ionic radii (Shannon) for 8-coordinate M(V) ion | tantalum |
| Ionic radii (Shannon) for 8-coordinate M(VI) ion | tantalum |
| Ionic radii (Shannon) for octahedral M(-III) ion | tantalum |
| Ionic radii (Shannon) for octahedral M(-II) ion | tantalum |
| Ionic radii (Shannon) for octahedral M(-I) ion | tantalum |
| Ionic radii (Shannon) for octahedral M(I) ion | tantalum |
| Ionic radii (Shannon): low spin octahedral M(II) ion | tantalum |
| Ionic radii (Shannon): high spin octahedral M(II) ion | tantalum |
| Ionic radii (Shannon): low spin octahedral M(III) ion | tantalum |
| Ionic radii (Shannon): high spin octahedral M(III) ion | tantalum |
| Ionic radii (Shannon): low spin octahedral M(IV) ion | tantalum |
| Ionic radii (Shannon): high spin octahedral M(IV) ion | tantalum |
| Ionic radii (Shannon) for octahedral M(V) ion | tantalum |
| Ionic radii (Shannon) for octahedral M(VI) ion | tantalum |
| Ionic radii (Shannon) for octahedral M(VII) ion | tantalum |
| Ionic radii (Shannon) for octahedral M(VIII) ion | tantalum |
| Ionic radii (Shannon) for square planar M(I) ion | tantalum |
| Ionic radii (Shannon) for square planar M(II) ion | tantalum |
| Ionic radii (Shannon) for square planar M(III) ion | tantalum |
| Ionic radii (Shannon) for tetrahedral M(-III) ion | tantalum |
| Ionic radii (Shannon) for tetrahedral M(-I) ion | tantalum |
| Ionic radii (Shannon) for tetrahedral M(-II) ion | tantalum |
| Ionic radii (Shannon) for tetrahedral M(I) ion | tantalum |
| Ionic radii (Shannon) for tetrahedral M(II) ion | tantalum |
| Ionic radii (Shannon) for tetrahedral M(III) ion | tantalum |
| Ionic radii (Shannon) for tetrahedral M(IV) ion | tantalum |
| Ionic radii (Shannon) for tetrahedral M(V) ion | tantalum |
| Ionic radii (Shannon) for tetrahedral M(VI) ion | tantalum |
| Ionic radii (Shannon) for tetrahedral M(VII) ion | tantalum |
| Ionic radii (Shannon) for tetrahedral M(VIII) ion | tantalum |
| Ionic radius (Pauling) | tantalum |
| Ionic radius (Pauling) for M(-IV) ion | tantalum |
| Ionic radius (Pauling) for M(-III) ion | tantalum |
| Ionic radius (Pauling) for M(-II) ion | tantalum |
| Ionic radius (Pauling) for M(-I) ion | tantalum |
| Ionic radius (Pauling) for M(I) ion | tantalum |
| Ionic radius (Pauling) for M(II) ion | tantalum |
| Ionic radius (Pauling) for M(III) ion | tantalum |
| Ionic radius (Pauling) for M(IV) ion | tantalum |
| Ionic radius (Pauling) for M(V) ion | tantalum |
| Ionic radius (Pauling) for M(VI) ion | tantalum |
| Ionic radius (Pauling) for M(VII) ion | tantalum |
| Ionization energies | tantalum |
| Ionization energy: 1st | tantalum |
| Ionization energy: 2nd | tantalum |
| Ionization energy: 3rd | tantalum |
| Ionization energy: 4th | tantalum |
| Ionization energy: 5th | tantalum |
| Ionization energy: 6th | tantalum |
| Ionization energy: 7th | tantalum |
| Ionization energy: 8th | tantalum |
| Ionization energy: 9th | tantalum |
| Ionization energy: 10th | tantalum |
| Ionization energy: 11th | tantalum |
| Ionization energy: 12th | tantalum |
| Ionization energy: 13th | tantalum |
| Ionization energy: 14th | tantalum |
| Ionization energy: 15th | tantalum |
| Ionization energy: 16th | tantalum |
| Ionization energy: 17th | tantalum |
| Ionization energy: 18th | tantalum |
| Ionization energy: 19th | tantalum |
| Ionization energy: 20th | tantalum |
| Ionization energy: 21st | tantalum |
| Isolation | tantalum |
| Isotopes | tantalum |
| Lattice energies | tantalum |
| Lattice energies (calculated) for MH | tantalum |
| Lattice energies (calculated) for MH2 | tantalum |
| Lattice energies (calculated) for MH3 | tantalum |
| Lattice energies (calculated) for MH4 | tantalum |
| Lattice energies (calculated) for MF | tantalum |
| Lattice energies (calculated) for MF2 | tantalum |
| Lattice energies (calculated) for MF3 | tantalum |
| Lattice energies (calculated) for MF4 | tantalum |
| Lattice energies (calculated) for MCl | tantalum |
| Lattice energies (calculated) for MCl2 | tantalum |
| Lattice energies (calculated) for MCl3 | tantalum |
| Lattice energies (calculated) for MCl4 | tantalum |
| Lattice energies (calculated) for MBr | tantalum |
| Lattice energies (calculated) for MBr2 | tantalum |
| Lattice energies (calculated) for MBr3 | tantalum |
| Lattice energies (calculated) for MBr4 | tantalum |
| Lattice energies (calculated) for MI | tantalum |
| Lattice energies (calculated) for MI2 | tantalum |
| Lattice energies (calculated) for MI3 | tantalum |
| Lattice energies (calculated) for MI4 | tantalum |
| Lattice energies (calculated) for M2O | tantalum |
| Lattice energies (calculated) for MO | tantalum |
| Lattice energies (calculated) for M2O2 | tantalum |
| Lattice energies (calculated) for M2O3 | tantalum |
| Lattice energies (calculated) for MO2 | tantalum |
| Lattice energies (calculated) for MO3 | tantalum |
| Lattice energies (thermochemical cycle) for MH | tantalum |
| Lattice energies (thermochemical cycle) for MH2 | tantalum |
| Lattice energies (thermochemical cycle) for MH3 | tantalum |
| Lattice energies (thermochemical cycle) for MH4 | tantalum |
| Lattice energies (thermochemical cycle) for MF | tantalum |
| Lattice energies (thermochemical cycle) for MF2 | tantalum |
| Lattice energies (thermochemical cycle) for MF3 | tantalum |
| Lattice energies (thermochemical cycle) for MF4 | tantalum |
| Lattice energies (thermochemical cycle) for MCl | tantalum |
| Lattice energies (thermochemical cycle) for MCl2 | tantalum |
| Lattice energies (thermochemical cycle) for MCl3 | tantalum |
| Lattice energies (thermochemical cycle) for MCl4 | tantalum |
| Lattice energies (thermochemical cycle) for MBr | tantalum |
| Lattice energies (thermochemical cycle) for MBr2 | tantalum |
| Lattice energies (thermochemical cycle) for MBr3 | tantalum |
| Lattice energies (thermochemical cycle) for MBr4 | tantalum |
| Lattice energies (thermochemical cycle) for MI | tantalum |
| Lattice energies (thermochemical cycle) for MI2 | tantalum |
| Lattice energies (thermochemical cycle) for MI3 | tantalum |
| Lattice energies (thermochemical cycle) for MI4 | tantalum |
| Lattice energies (thermochemical cycle) for M2O | tantalum |
| Lattice energies (thermochemical cycle) for MO | tantalum |
| Lattice energies (thermochemical cycle) for M2O2 | tantalum |
| Lattice energies (thermochemical cycle) for M2O3 | tantalum |
| Lattice energies (thermochemical cycle) for MO2 | tantalum |
| Lattice energies (thermochemical cycle) for MO3 | tantalum |
| Linear expansion coefficient | tantalum |
| Liquid Range | tantalum |
| Meaning of name | tantalum |
| Melting point | tantalum |
| Melting point of the highest fluoride | tantalum |
| Melting point of the hydride | tantalum |
| Menu to displays of periodic properties | tantalum |
| Molar volume | tantalum |
| NMR data | tantalum |
| Orbital properties | tantalum |
| Period numbers | tantalum |
| Poisson's ratio | tantalum |
| Properties of some compounds | tantalum |
| Radius - metallic (12) | tantalum |
| Reactions of the elements | tantalum |
| Reduction potential of hydrated M(I) ions | tantalum |
| Reduction potential of hydrated M(II) ions | tantalum |
| Reduction potential of hydrated M(III) ions | tantalum |
| Reduction potential of hydrated M(IV) ions | tantalum |
| Reflectivity | tantalum |
| Refractive index | tantalum |
| Rigidity modulus | tantalum |
| Single bond enthalpy in highest bromide | tantalum |
| Single bond enthalpy in highest chloride | tantalum |
| Single bond enthalpy in highest fluoride | tantalum |
| Single bond enthalpy in highest iodide | tantalum |
| Standard atomic weights | tantalum |
| standard reduction potentials | tantalum |
| Standard state | tantalum |
| Superconductivity temperature | tantalum |
| Term symbol | tantalum |
| Thermal conductivity | tantalum |
| thermochemistry | tantalum |
| Thermodynamic properties | tantalum |
| Total mass in 70 kg human | tantalum |
| Uses | tantalum |
| valence orbital R(max) | tantalum |
| valence s-orbital R(max) | tantalum |
| valence p-orbital R(max) | tantalum |
| valence d-orbital R(max) | tantalum |
| valence f-orbital R(max) | tantalum |
| valence s-orbital R(max) | tantalum |
| valence p-orbital R(max) | tantalum |
| valence d-orbital R(max) | tantalum |
| valence f-orbital R(max) | tantalum |
| Van der Waals radius | tantalum |
| Velocity of sound | tantalum |
| X-ray mass absorption coefficients | tantalum |
| X-ray mass absorption coefficients (Ag-Kα) | tantalum |
| X-ray mass absorption coefficients (Co-Kα) | tantalum |
| X-ray mass absorption coefficients (Cr-Kα) | tantalum |
| X-ray mass absorption coefficients (Cu-Kα) | tantalum |
| X-ray mass absorption coefficients (Fe-Kα) | tantalum |
| X-ray mass absorption coefficients (Mo-Kα) | tantalum |
| X-ray mass absorption coefficients (Ni-Kα) | tantalum |
| X-ray mass absorption coefficients (W-Lα) | tantalum |
| Young's modulus | tantalum |