krypton vs calcium vs manganese

krypton (chemical element) | calcium (chemical element) | manganese (chemical element)

Periodic table location

Images

| krypton | calcium | manganese atomic symbol | Kr | Ca | Mn atomic number | 36 | 20 | 25 short electronic configuration | [Ar]4s^23d^104p^6 | [Ar]4s^2 | [Ar]4s^23d^5 Aufbau diagram | 4p 3d 4s | 4s | 3d 4s block | p | s | d group | 18 | 2 | 7 period | 4 | 4 | 4 atomic mass | 83.798 u | 40.078 u | 54.938044 u half-life | (stable) | (stable) | (stable)

| krypton | calcium | manganese phase at STP | gas | solid | solid melting point | -157.36 °C | 842 °C | 1246 °C boiling point | -153.22 °C | 1484 °C | 2061 °C critical temperature | 209.41 K | | critical pressure | 5.5 MPa | | molar heat of fusion | 1.64 kJ/mol | 8.54 kJ/mol | 13.2 kJ/mol molar heat of vaporization | 9.02 kJ/mol | 155 kJ/mol | 220 kJ/mol specific heat at STP | 248.05 J/(kg K) | 631 J/(kg K) | 479 J/(kg K) adiabatic index | 5/3 | | Néel point | | | 100 K (properties at standard conditions)

| krypton | calcium | manganese density | 0.00375 g/cm^3 | 1.55 g/cm^3 | 7.47 g/cm^3 liquid density | | 1.378 g/cm^3 | 5.95 g/cm^3 molar volume | 22300 cm^3/mol | 25.86 cm^3/mol | 7.354 cm^3/mol Mohs hardness | | 1.75 (between gypsum and talc) | 6 (≈ microcline) Brinell hardness | | 167 MPa | 196 MPa bulk modulus | | 17 GPa | 120 GPa shear modulus | | 7.4 GPa | Young's modulus | | 20 GPa | 198 GPa Poisson ratio | | 0.31 | tensile yield strength | | | 241 MPa ultimate tensile strength | | | 496 MPa refractive index | 1.000427 | | sound speed | 1120 m/s | 3810 m/s | 5150 m/s thermal expansion | | 2.23×10^-5 K^(-1) | 2.17×10^-5 K^(-1) thermal conductivity | 0.00943 W/(m K) | 200 W/(m K) | 7.8 W/(m K) (properties at standard conditions)

| krypton | calcium | manganese electrical type | | conductor | conductor resistivity | | 3.4×10^-8 Ω m (ohm meters) | 1.6×10^-6 Ω m (ohm meters) electrical conductivity | | 2.9×10^7 S/m (siemens per meter) | 620000 S/m (siemens per meter) magnetic type | diamagnetic | paramagnetic | paramagnetic volume magnetic susceptibility | -1.65×10^-8 | 2.139×10^-5 | 9.0387×10^-4 mass magnetic susceptibility | -4.4×10^-9 m^3/kg (cubic meters per kilogram) | 1.38×10^-8 m^3/kg (cubic meters per kilogram) | 1.21×10^-7 m^3/kg (cubic meters per kilogram) molar magnetic susceptibility | -3.69×10^-10 m^3/mol (cubic meters per mole) | 5.531×10^-10 m^3/mol (cubic meters per mole) | 6.6475×10^-9 m^3/mol (cubic meters per mole) Néel point | | | 100 K (kelvins) work function | | 2.87 eV (Polycrystalline) | 4.1 eV (Polycrystalline) threshold frequency | | 6.94×10^14 Hz (hertz) | 9.914×10^14 Hz (hertz) color | (colorless) | (silver) | (silver) refractive index | 1.000427 | |

| krypton | calcium | manganese valence | 2 | 2 | 4 electronegativity | 3 | 1 | 1.55 electron affinity | 0 kJ/mol (kilojoules per mole) | 2.37 kJ/mol (kilojoules per mole) | 0 kJ/mol (kilojoules per mole) first ionization energy | 1350.8 kJ/mol (kilojoules per mole) | 589.8 kJ/mol (kilojoules per mole) | 717.3 kJ/mol (kilojoules per mole) ionization energies | 1350.8 kJ/mol | 2350.4 kJ/mol | 3565 kJ/mol | 5070 kJ/mol | 6240 kJ/mol | 7570 kJ/mol | 10710 kJ/mol | 12138 kJ/mol | 22274 kJ/mol | 25880 kJ/mol | 29700 kJ/mol | 33800 kJ/mol | 37700 kJ/mol | 43100 kJ/mol | 47500 kJ/mol | 52200 kJ/mol | 57100 kJ/mol | 61800 kJ/mol | 75800 kJ/mol | 80400 kJ/mol | 85300 kJ/mol | 589.8 kJ/mol | 1145.4 kJ/mol | 4912.4 kJ/mol | 6491 kJ/mol | 8153 kJ/mol | 10496 kJ/mol | 12270 kJ/mol | 14206 kJ/mol | 18191 kJ/mol | 20385 kJ/mol | 57110 kJ/mol | 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

Reactivity

| krypton | calcium | manganese term symbol | ^1S_0 | ^1S_0 | ^6S_(5/2) atomic radius | 88 pm | 180 pm | 140 pm covalent radius | 116 pm | 176 pm | 139 pm van der Waals radius | 202 pm | | (electronic ground state properties)

| krypton | calcium | manganese universe abundance | 4×10^-6 mass% | 0.007 mass% | 8×10^-4 mass% solar abundance | | 0.007 mass% | 0.001 mass% meteorite abundance | | 1.1 mass% | 0.27 mass% crust abundance | 1.5×10^-8 mass% | 5 mass% | 0.11 mass% ocean abundance | 2.1×10^-8 mass% | 4.2×10^-4 mass% | 2×10^-7 mass% human abundance | | 1.4 mass% | 2×10^-5 mass% universe molar abundance | 6×10^-8 mol% | 2×10^-4 mol% | 2×10^-5 mol% solar molar abundance | | 2×10^-4 mol% | 2×10^-5 mol% meteorite molar abundance | | 0.52 mol% | 0.093 mol% ocean molar abundance | 1.6×10^-9 mol% | 6.5×10^-5 mol% | 2.3×10^-8 mol% crust molar abundance | 4×10^-9 mol% | 2.6 mol% | 0.042 mol% human molar abundance | | 0.22 mol% | 2.3×10^-6 mol%