hydrogen vs cadmium vs phosphorus

hydrogen (chemical element) | cadmium (chemical element) | phosphorus (chemical element)

Periodic table location

Images

| hydrogen | cadmium | phosphorus atomic symbol | H | Cd | P atomic number | 1 | 48 | 15 short electronic configuration | 1s^1 | [Kr]5s^24d^10 | [Ne]3s^23p^3 Aufbau diagram | 1s | 4d 5s | 3p 3s block | s | d | p group | 1 | 12 | 15 period | 1 | 5 | 3 atomic mass | 1.008 u | 112.414 u | 30.973761998 u half-life | (stable) | (stable) | (stable)

| hydrogen | cadmium | phosphorus phase at STP | gas | solid | solid melting point | -259.14 °C | 321.07 °C | 44.2 °C boiling point | -252.87 °C | 767 °C | 280.5 °C critical temperature | 32.97 K | | critical pressure | 1.293 MPa | | molar heat of fusion | 0.558 kJ/mol | 6.3 kJ/mol | 0.64 kJ/mol molar heat of vaporization | 0.452 kJ/mol | 100 kJ/mol | 12.4 kJ/mol specific heat at STP | 14300 J/(kg K) | 230 J/(kg K) | 769.7 J/(kg K) adiabatic index | 7/5 | | (properties at standard conditions)

| hydrogen | cadmium | phosphorus density | 8.99×10^-5 g/cm^3 | 8.65 g/cm^3 | 1.823 g/cm^3 liquid density | | 7.996 g/cm^3 | molar volume | 11200 cm^3/mol | 13 cm^3/mol | 16.99 cm^3/mol Mohs hardness | | 2 (≈ gypsum) | Brinell hardness | | 203 MPa | bulk modulus | | 42 GPa | 11 GPa shear modulus | | 19 GPa | Young's modulus | | 50 GPa | Poisson ratio | | 0.3 | ultimate tensile strength | | 75 MPa | refractive index | 1.000132 | | 1.001212 sound speed | 1270 m/s | 2310 m/s | thermal expansion | | 3.08×10^-5 K^(-1) | thermal conductivity | 0.1805 W/(m K) | 97 W/(m K) | 0.236 W/(m K) (properties at standard conditions)

| hydrogen | cadmium | phosphorus electrical type | | conductor | conductor resistivity | | 7×10^-8 Ω m (ohm meters) | 1×10^-7 Ω m (ohm meters) electrical conductivity | | 1.4×10^7 S/m (siemens per meter) | 1×10^7 S/m (siemens per meter) magnetic type | diamagnetic | diamagnetic | diamagnetic volume magnetic susceptibility | -2.23×10^-9 | -1.99×10^-5 | -2.06×10^-5 mass magnetic susceptibility | -2.48×10^-8 m^3/kg (cubic meters per kilogram) | -2.3×10^-9 m^3/kg (cubic meters per kilogram) | -1.13×10^-8 m^3/kg (cubic meters per kilogram) molar magnetic susceptibility | -4.999×10^-11 m^3/mol (cubic meters per mole) | -2.59×10^-10 m^3/mol (cubic meters per mole) | -3.5×10^-10 m^3/mol (cubic meters per mole) work function | | 4.08 eV (Polycrystalline) | threshold frequency | | 9.865×10^14 Hz (hertz) | superconducting point | | 0.517 K (kelvins) | color | (colorless) | (silver) | (colorless) refractive index | 1.000132 | | 1.001212

| hydrogen | cadmium | phosphorus valence | 1 | 2 | 5 electronegativity | 2.2 | 1.69 | 2.19 electron affinity | 72.8 kJ/mol (kilojoules per mole) | 0 kJ/mol (kilojoules per mole) | 72 kJ/mol (kilojoules per mole) first ionization energy | 1312 kJ/mol (kilojoules per mole) | 867.8 kJ/mol (kilojoules per mole) | 1011.8 kJ/mol (kilojoules per mole) ionization energies | 1312 kJ/mol | 867.8 kJ/mol | 1631.4 kJ/mol | 3616 kJ/mol | 1011.8 kJ/mol | 1907 kJ/mol | 2914.1 kJ/mol | 4963.6 kJ/mol | 6273.9 kJ/mol | 21267 kJ/mol | 25431 kJ/mol | 29872 kJ/mol | 35905 kJ/mol | 40950 kJ/mol

Reactivity

| hydrogen | cadmium | phosphorus term symbol | ^2S_(1/2) | ^1S_0 | ^4S_(3/2) atomic radius | 25 pm | 155 pm | 100 pm covalent radius | 31 pm | 144 pm | 107 pm van der Waals radius | 120 pm | 158 pm | 180 pm (electronic ground state properties)

| hydrogen | cadmium | phosphorus universe abundance | 75 mass% | 2×10^-7 mass% | 7×10^-4 mass% solar abundance | 75 mass% | 6×10^-7 mass% | 7×10^-4 mass% meteorite abundance | 2.4 mass% | 4.4×10^-5 mass% | 0.11 mass% crust abundance | 0.15 mass% | 1.5×10^-5 mass% | 0.099 mass% ocean abundance | 11 mass% | 5×10^-9 mass% | 7×10^-6 mass% human abundance | 10 mass% | 7×10^-5 mass% | 1.1 mass% universe molar abundance | 93 mol% | 2×10^-9 mol% | 3×10^-5 mol% solar molar abundance | 93 mol% | 7×10^-9 mol% | 3×10^-5 mol% meteorite molar abundance | 17 mol% | 6×10^-6 mol% | 0.07 mol% ocean molar abundance | 66 mol% | 2.8×10^-10 mol% | 1.4×10^-6 mol% crust molar abundance | 3.1 mol% | 3×10^-6 mol% | 0.07 mol% human molar abundance | 62 mol% | 3.9×10^-6 mol% | 0.22 mol%