bismuth vs potassium vs iron

bismuth (chemical element) | potassium (chemical element) | iron (chemical element)

Periodic table location

Images

| bismuth | potassium | iron atomic symbol | Bi | K | Fe atomic number | 83 | 19 | 26 short electronic configuration | [Xe]6s^24f^145d^106p^3 | [Ar]4s^1 | [Ar]4s^23d^6 Aufbau diagram | 6p 5d 4f 6s | 4s | 3d 4s block | p | s | d group | 15 | 1 | 8 period | 6 | 4 | 4 atomic mass | 208.9804 u | 39.0983 u | 55.845 u half-life | 1.9×10^19 yr | (stable) | (stable)

| bismuth | potassium | iron phase at STP | solid | solid | solid melting point | 271.3 °C | 63.38 °C | 1538 °C boiling point | 1564 °C | 759 °C | 2861 °C critical temperature | | 2223 K | (unknown) critical pressure | | 16 MPa | (unknown) molar heat of fusion | 10.9 kJ/mol | 2.33 kJ/mol | 13.8 kJ/mol molar heat of vaporization | 160 kJ/mol | 76.9 kJ/mol | 347 kJ/mol specific heat at STP | 122 J/(kg K) | 757 J/(kg K) | 449 J/(kg K) (properties at standard conditions)

| bismuth | potassium | iron density | 9.78 g/cm^3 | 0.856 g/cm^3 | 7.874 g/cm^3 liquid density | 10.05 g/cm^3 | 0.828 g/cm^3 | 6.98 g/cm^3 molar volume | 21.37 cm^3/mol | 45.7 cm^3/mol | 7.092 cm^3/mol Mohs hardness | 2.25 (between gypsum and calcite) | 0.4 (between talc and gypsum) | 4 (≈ fluorite) Vickers hardness | | | 608 MPa Brinell hardness | 94.2 MPa | 0.363 MPa | 490 MPa bulk modulus | 31 GPa | 3.1 GPa | 170 GPa shear modulus | 12 GPa | 1.3 GPa | 82 GPa Young's modulus | 32 GPa | | 211 GPa Poisson ratio | 0.33 | | 0.29 tensile yield strength | | | 50 MPa sound speed | 1790 m/s | 2000 m/s | 4910 m/s thermal expansion | 1.34×10^-5 K^(-1) | | 1.18×10^-5 K^(-1) thermal conductivity | 8 W/(m K) | 100 W/(m K) | 80 W/(m K) (properties at standard conditions)

| bismuth | potassium | iron electrical type | conductor | conductor | conductor resistivity | 1.3×10^-6 Ω m (ohm meters) | 7×10^-8 Ω m (ohm meters) | 9.7×10^-8 Ω m (ohm meters) electrical conductivity | 770000 S/m (siemens per meter) | 1.4×10^7 S/m (siemens per meter) | 1×10^7 S/m (siemens per meter) magnetic type | diamagnetic | paramagnetic | ferromagnetic volume magnetic susceptibility | -1.7×10^-4 | 5.74×10^-6 | mass magnetic susceptibility | -1.7×10^-8 m^3/kg (cubic meters per kilogram) | 6.7×10^-9 m^3/kg (cubic meters per kilogram) | molar magnetic susceptibility | -3.6×10^-9 m^3/mol (cubic meters per mole) | 2.62×10^-10 m^3/mol (cubic meters per mole) | Curie point | | | 1043 K (kelvins) work function | 4.34 eV (Polycrystalline) | 2.29 eV (Polycrystalline) | (4.67 to 4.81) eV threshold frequency | 1.049×10^15 Hz (hertz) | 5.537×10^14 Hz (hertz) | (1.129×10^15 to 1.163×10^15) Hz (hertz) color | (gray) | (silver) | (gray)

| bismuth | potassium | iron valence | 5 | 1 | 3 electronegativity | 2.02 | 0.82 | 1.83 electron affinity | 91.2 kJ/mol (kilojoules per mole) | 48.4 kJ/mol (kilojoules per mole) | 15.7 kJ/mol (kilojoules per mole) first ionization energy | 703 kJ/mol (kilojoules per mole) | 418.8 kJ/mol (kilojoules per mole) | 762.5 kJ/mol (kilojoules per mole) ionization energies | 703 kJ/mol | 1610 kJ/mol | 2466 kJ/mol | 4370 kJ/mol | 5400 kJ/mol | 8520 kJ/mol | 418.8 kJ/mol | 3052 kJ/mol | 4420 kJ/mol | 5877 kJ/mol | 7975 kJ/mol | 9590 kJ/mol | 11343 kJ/mol | 14944 kJ/mol | 16963.7 kJ/mol | 48610 kJ/mol | 762.5 kJ/mol | 1561.9 kJ/mol | 2957 kJ/mol | 5290 kJ/mol | 7240 kJ/mol | 9560 kJ/mol | 12060 kJ/mol | 14580 kJ/mol | 22540 kJ/mol | 25290 kJ/mol | 28000 kJ/mol | 31920 kJ/mol | 34830 kJ/mol | 37840 kJ/mol | 44100 kJ/mol | 47206 kJ/mol | 122200 kJ/mol | 131000 kJ/mol | 140500 kJ/mol | 152600 kJ/mol | 163000 kJ/mol

Reactivity

| bismuth | potassium | iron term symbol | ^4S_(3/2) | ^2S_(1/2) | ^5D_4 atomic radius | 160 pm | 220 pm | 140 pm covalent radius | 148 pm | 203 pm | 132 pm van der Waals radius | | 275 pm | (unknown) (electronic ground state properties)

| bismuth | potassium | iron universe abundance | 7×10^-8 mass% | 3×10^-4 mass% | 0.11 mass% solar abundance | 1×10^-6 mass% | 4×10^-4 mass% | 0.1 mass% meteorite abundance | 6.9×10^-6 mass% | 0.07 mass% | 22 mass% crust abundance | 2.5×10^-6 mass% | 1.5 mass% | 6.3 mass% ocean abundance | 2×10^-9 mass% | 0.042 mass% | 3×10^-7 mass% human abundance | | 0.2 mass% | 0.006 mass% universe molar abundance | 4×10^-10 mol% | 1×10^-5 mol% | 0.002 mol% solar molar abundance | 7×10^-9 mol% | 9.9×10^-6 mol% | 0.003 mol% meteorite molar abundance | 5×10^-7 mol% | 0.037 mol% | 7.8 mol% ocean molar abundance | 5.9×10^-11 mol% | 0.0066 mol% | 3.3×10^-8 mol% crust molar abundance | 2×10^-7 mol% | 0.78 mol% | 2.3 mol% human molar abundance | | 0.032 mol% | 6.7×10^-4 mol%