hydrogen vs antimony vs arsenic

hydrogen (chemical element) | antimony (chemical element) | arsenic (chemical element)

Periodic table location

Images

| hydrogen | antimony | arsenic atomic symbol | H | Sb | As atomic number | 1 | 51 | 33 short electronic configuration | 1s^1 | [Kr]5s^24d^105p^3 | [Ar]4s^23d^104p^3 Aufbau diagram | 1s | 5p 4d 5s | 4p 3d 4s block | s | p | p group | 1 | 15 | 15 period | 1 | 5 | 4 atomic mass | 1.008 u | 121.76 u | 74.921595 u half-life | (stable) | (stable) | (stable)

| hydrogen | antimony | arsenic phase at STP | gas | solid | solid melting point | -259.14 °C | 630.63 °C | 817 °C boiling point | -252.87 °C | 1587 °C | 614 °C critical temperature | 32.97 K | | critical pressure | 1.293 MPa | | molar heat of fusion | 0.558 kJ/mol | 19.7 kJ/mol | 27.7 kJ/mol molar heat of vaporization | 0.452 kJ/mol | 68 kJ/mol | 32.4 kJ/mol specific heat at STP | 14300 J/(kg K) | 207 J/(kg K) | 328 J/(kg K) adiabatic index | 7/5 | | (properties at standard conditions)

| hydrogen | antimony | arsenic density | 8.99×10^-5 g/cm^3 | 6.697 g/cm^3 | 5.727 g/cm^3 liquid density | | 6.53 g/cm^3 | 5.22 g/cm^3 molar volume | 11200 cm^3/mol | 18.18 cm^3/mol | 13.08 cm^3/mol Mohs hardness | | 3 (≈ calcite) | 3.5 (between calcite and fluorite) Vickers hardness | | | 1510 MPa Brinell hardness | | 294 MPa | 1440 MPa bulk modulus | | 42 GPa | 22 GPa shear modulus | | 20 GPa | Young's modulus | | 55 GPa | 8 GPa ultimate tensile strength | | 11 MPa | refractive index | 1.000132 | | 1.001552 sound speed | 1270 m/s | 3420 m/s | thermal expansion | | 1.1×10^-5 K^(-1) | thermal conductivity | 0.1805 W/(m K) | 24 W/(m K) | 50 W/(m K) (properties at standard conditions)

| hydrogen | antimony | arsenic electrical type | | conductor | conductor resistivity | | 4×10^-7 Ω m (ohm meters) | 3×10^-7 Ω m (ohm meters) electrical conductivity | | 2.5×10^6 S/m (siemens per meter) | 3.3×10^6 S/m (siemens per meter) magnetic type | diamagnetic | diamagnetic | diamagnetic volume magnetic susceptibility | -2.23×10^-9 | -7.3×10^-5 | -2.23×10^-5 mass magnetic susceptibility | -2.48×10^-8 m^3/kg (cubic meters per kilogram) | -1.09×10^-8 m^3/kg (cubic meters per kilogram) | -3.9×10^-9 m^3/kg (cubic meters per kilogram) molar magnetic susceptibility | -4.999×10^-11 m^3/mol (cubic meters per mole) | -1.327×10^-9 m^3/mol (cubic meters per mole) | -2.92×10^-10 m^3/mol (cubic meters per mole) work function | | (4.55 to 4.7) eV | 3.75 eV (Polycrystalline) threshold frequency | | (1.1×10^15 to 1.136×10^15) Hz (hertz) | 9.067×10^14 Hz (hertz) color | (colorless) | (silver) | (silver) refractive index | 1.000132 | | 1.001552

| hydrogen | antimony | arsenic valence | 1 | 5 | 5 electronegativity | 2.2 | 2.05 | 2.18 electron affinity | 72.8 kJ/mol (kilojoules per mole) | 103.2 kJ/mol (kilojoules per mole) | 78 kJ/mol (kilojoules per mole) first ionization energy | 1312 kJ/mol (kilojoules per mole) | 834 kJ/mol (kilojoules per mole) | 947 kJ/mol (kilojoules per mole) ionization energies | 1312 kJ/mol | 834 kJ/mol | 1594.9 kJ/mol | 2440 kJ/mol | 4260 kJ/mol | 5400 kJ/mol | 10400 kJ/mol | 947 kJ/mol | 1798 kJ/mol | 2735 kJ/mol | 4837 kJ/mol | 6043 kJ/mol | 12310 kJ/mol

Reactivity

| hydrogen | antimony | arsenic term symbol | ^2S_(1/2) | ^4S_(3/2) | ^4S_(3/2) atomic radius | 25 pm | 145 pm | 115 pm covalent radius | 31 pm | 139 pm | 119 pm van der Waals radius | 120 pm | | 185 pm (electronic ground state properties)

| hydrogen | antimony | arsenic universe abundance | 75 mass% | 4×10^-8 mass% | 8×10^-7 mass% solar abundance | 75 mass% | 1×10^-7 mass% | meteorite abundance | 2.4 mass% | 1.2×10^-5 mass% | 1.8×10^-4 mass% crust abundance | 0.15 mass% | 2×10^-5 mass% | 2.1×10^-4 mass% ocean abundance | 11 mass% | 2×10^-8 mass% | 2.3×10^-7 mass% human abundance | 10 mass% | | 5×10^-6 mass% universe molar abundance | 93 mol% | 4×10^-10 mol% | 1×10^-8 mol% solar molar abundance | 93 mol% | 9.9×10^-10 mol% | meteorite molar abundance | 17 mol% | 2×10^-6 mol% | 4.6×10^-5 mol% ocean molar abundance | 66 mol% | 1×10^-9 mol% | 1.9×10^-8 mol% crust molar abundance | 3.1 mol% | 3×10^-6 mol% | 5.8×10^-5 mol% human molar abundance | 62 mol% | | 4×10^-7 mol%