manganese vs mercury vs hafnium

manganese (chemical element) | mercury (chemical element) | hafnium (chemical element)

Periodic table location

Images

| manganese | mercury | hafnium atomic symbol | Mn | Hg | Hf atomic number | 25 | 80 | 72 short electronic configuration | [Ar]4s^23d^5 | [Xe]6s^24f^145d^10 | [Xe]6s^24f^145d^2 Aufbau diagram | 3d 4s | 5d 4f 6s | 5d 4f 6s block | d | d | d group | 7 | 12 | 4 period | 4 | 6 | 6 atomic mass | 54.938044 u | 200.592 u | 178.49 u half-life | (stable) | (stable) | (stable)

| manganese | mercury | hafnium phase at STP | solid | liquid | solid melting point | 1246 °C | -38.83 °C | 2233 °C boiling point | 2061 °C | 356.73 °C | 4603 °C critical temperature | | 1750 K | critical pressure | | 172 MPa | molar heat of fusion | 13.2 kJ/mol | 2.29 kJ/mol | 25.5 kJ/mol molar heat of vaporization | 220 kJ/mol | 59.2 kJ/mol | 630 kJ/mol specific heat at STP | 479 J/(kg K) | 139.5 J/(kg K) | 144 J/(kg K) Néel point | 100 K | | (properties at standard conditions)

| manganese | mercury | hafnium density | 7.47 g/cm^3 | 13.534 g/cm^3 | 13.31 g/cm^3 liquid density | 5.95 g/cm^3 | 13.534 g/cm^3 | 12 g/cm^3 molar volume | 7.354 cm^3/mol | 14.821 cm^3/mol | 13.41 cm^3/mol Mohs hardness | 6 (≈ microcline) | | 5.5 (between apatite and microcline) Vickers hardness | | | 1760 MPa Brinell hardness | 196 MPa | | 1700 MPa bulk modulus | 120 GPa | 25 GPa | 110 GPa shear modulus | | | 30 GPa Young's modulus | 198 GPa | | 78 GPa Poisson ratio | | | 0.37 tensile yield strength | 241 MPa | | ultimate tensile strength | 496 MPa | | refractive index | | 1.000933 | sound speed | 5150 m/s | 1407 m/s | 3010 m/s thermal expansion | 2.17×10^-5 K^(-1) | 1.81×10^-4 K^(-1) | 5.9×10^-6 K^(-1) thermal conductivity | 7.8 W/(m K) | 8.3 W/(m K) | 23 W/(m K) (properties at standard conditions)

| manganese | mercury | hafnium electrical type | conductor | conductor | conductor resistivity | 1.6×10^-6 Ω m (ohm meters) | 9.6×10^-7 Ω m (ohm meters) | 3×10^-7 Ω m (ohm meters) electrical conductivity | 620000 S/m (siemens per meter) | 1×10^6 S/m (siemens per meter) | 3.3×10^6 S/m (siemens per meter) magnetic type | paramagnetic | diamagnetic | paramagnetic volume magnetic susceptibility | 9.0387×10^-4 | -2.84×10^-5 | 7.05×10^-5 mass magnetic susceptibility | 1.21×10^-7 m^3/kg (cubic meters per kilogram) | -2.1×10^-9 m^3/kg (cubic meters per kilogram) | 5.3×10^-9 m^3/kg (cubic meters per kilogram) molar magnetic susceptibility | 6.6475×10^-9 m^3/mol (cubic meters per mole) | -4.21×10^-10 m^3/mol (cubic meters per mole) | 9.46×10^-10 m^3/mol (cubic meters per mole) Néel point | 100 K (kelvins) | | work function | 4.1 eV (Polycrystalline) | 4.47 eV (Liquid) | 3.9 eV (Polycrystalline) threshold frequency | 9.914×10^14 Hz (hertz) | 1.082×10^15 Hz (hertz) | 9.43×10^14 Hz (hertz) superconducting point | | 4.154 K (kelvins) | 0.128 K (kelvins) color | (silver) | (silver) | (gray) refractive index | | 1.000933 |

| manganese | mercury | hafnium valence | 4 | 2 | 4 electronegativity | 1.55 | 2 | 1.3 electron affinity | 0 kJ/mol (kilojoules per mole) | 0 kJ/mol (kilojoules per mole) | 0 kJ/mol (kilojoules per mole) first ionization energy | 717.3 kJ/mol (kilojoules per mole) | 1007.1 kJ/mol (kilojoules per mole) | 658.5 kJ/mol (kilojoules per mole) ionization energies | 717.3 kJ/mol | 1509 kJ/mol | 3248 kJ/mol | 4940 kJ/mol | 6990 kJ/mol | 9220 kJ/mol | 11500 kJ/mol | 18770 kJ/mol | 21400 kJ/mol | 23960 kJ/mol | 27590 kJ/mol | 30330 kJ/mol | 33150 kJ/mol | 38880 kJ/mol | 41987 kJ/mol | 109480 kJ/mol | 118100 kJ/mol | 127100 kJ/mol | 138600 kJ/mol | 148500 kJ/mol | 158600 kJ/mol | 1007.1 kJ/mol | 1810 kJ/mol | 3300 kJ/mol | 658.5 kJ/mol | 1440 kJ/mol | 2250 kJ/mol | 3216 kJ/mol

Reactivity

| manganese | mercury | hafnium term symbol | ^6S_(5/2) | ^1S_0 | ^3F_2 atomic radius | 140 pm | 150 pm | 155 pm covalent radius | 139 pm | 132 pm | 175 pm van der Waals radius | | 155 pm | (electronic ground state properties)

| manganese | mercury | hafnium universe abundance | 8×10^-4 mass% | 1×10^-7 mass% | 7×10^-8 mass% solar abundance | 0.001 mass% | 2×10^-6 mass% | 1×10^-7 mass% meteorite abundance | 0.27 mass% | 2.5×10^-5 mass% | 1.7×10^-5 mass% crust abundance | 0.11 mass% | 6.7×10^-6 mass% | 3.3×10^-4 mass% ocean abundance | 2×10^-7 mass% | 5×10^-9 mass% | 8×10^-10 mass% human abundance | 2×10^-5 mass% | | universe molar abundance | 2×10^-5 mol% | 6×10^-10 mol% | 5×10^-10 mol% solar molar abundance | 2×10^-5 mol% | 1.2×10^-8 mol% | 9.9×10^-10 mol% meteorite molar abundance | 0.093 mol% | 2×10^-6 mol% | 2×10^-6 mol% ocean molar abundance | 2.3×10^-8 mol% | 1.5×10^-10 mol% | 2.8×10^-11 mol% crust molar abundance | 0.042 mol% | 7×10^-7 mol% | 3.8×10^-5 mol% human molar abundance | 2.3×10^-6 mol% | |