antimony

antimony (chemical element)

Periodic table location

Image

atomic symbol | Sb atomic number | 51 short electronic configuration | [Kr]5s^24d^105p^3 Aufbau diagram | 5p 4d 5s block | p group | 15 period | 5 atomic mass | 121.76 u (unified atomic mass units)

phase at STP | solid melting point | 630.63 °C (rank: 69th) boiling point | 1587 °C (rank: 60th) molar heat of fusion | 19.7 kJ/mol (rank: 23rd) molar heat of vaporization | 68 kJ/mol (rank: 72nd) specific heat at STP | 207 J/(kg K) (rank: 53rd) (properties at standard conditions)

density | 6.697 g/cm^3 (rank: 51st) liquid density | 6.53 g/cm^3 molar volume | 18.18 cm^3/mol Mohs hardness | 3 (≈ calcite) Brinell hardness | 294 MPa (rank: 41st) bulk modulus | 42 GPa (rank: 38th) shear modulus | 20 GPa Young's modulus | 55 GPa (rank: 37th) ultimate tensile strength | 11 MPa (rank: 34th) sound speed | 3420 m/s (rank: 27th) thermal expansion | 1.1×10^-5 K^(-1) (rank: 34th) thermal conductivity | 24 W/(m K) (rank: 47th) (properties at standard conditions)

electrical type | conductor resistivity | 4×10^-7 Ω m (ohm meters) electrical conductivity | 2.5×10^6 S/m (siemens per meter) magnetic type | diamagnetic volume magnetic susceptibility | -7.3×10^-5 mass magnetic susceptibility | -1.09×10^-8 m^3/kg (cubic meters per kilogram) molar magnetic susceptibility | -1.327×10^-9 m^3/mol (cubic meters per mole) work function | (4.55 to 4.7) eV threshold frequency | (1.1×10^15 to 1.136×10^15) Hz (hertz) color | (silver) (work function range from 2 different crystalline orientations)

valence | 5 electronegativity | 2.05 electron affinity | 103.2 kJ/mol (kilojoules per mole) first ionization energy | 834 kJ/mol (kilojoules per mole) ionization energies | 834 kJ/mol | 1594.9 kJ/mol | 2440 kJ/mol | 4260 kJ/mol | 5400 kJ/mol | 10400 kJ/mol

Reactivity

term symbol | ^4S_(3/2) atomic radius | 145 pm covalent radius | 139 pm (electronic ground state properties)

(neutral antimony atomic spectrum)

universe abundance | 4×10^-8 mass% (rank: 76th) solar abundance | 1×10^-7 mass% (rank: 57th) meteorite abundance | 1.2×10^-5 mass% (rank: 64th) crust abundance | 2×10^-5 mass% (rank: 64th) ocean abundance | 2×10^-8 mass% (rank: 37th) universe molar abundance | 4×10^-10 mol% (rank: 68th) solar molar abundance | 9.9×10^-10 mol% (rank: 53rd) meteorite molar abundance | 2×10^-6 mol% (rank: 56th) ocean molar abundance | 1×10^-9 mol% (rank: 50th) crust molar abundance | 3×10^-6 mol% (rank: 68th)

half-life | (stable) stable isotopes | Sb-121 (57.21%) | Sb-123 (42.79%) nuclear spin | Sb-103: 5/2^+ | Sb-105: 5/2^+ | Sb-106: 2^+ | Sb-107: 5/2^+ | Sb-108: 4^+ | Sb-109: 5/2^+ | Sb-111: 5/2^+ | Sb-112: 3^+ | Sb-113: 5/2^+ | Sb-114: 3^+ | Sb-115: 5/2^+ | Sb-116: 3^+ | Sb-117: 5/2^+ | Sb-118: 1^+ | Sb-119: 5/2^+ | Sb-120: 1^+ | Sb-121: 5/2^+ | Sb-122: 2^- | Sb-123: 7/2^+ | Sb-124: 3^- | Sb-125: 7/2^+ | Sb-126: 8^- | Sb-127: 7/2^+ | Sb-128: 8^- | Sb-129: 7/2^+ | Sb-130: 8^- | Sb-131: 7/2^+ | Sb-132: 4^+ | Sb-133: 7/2^+ | Sb-134: 0^- | Sb-135: 7/2^+ | Sb-136: 1^- | Sb-137: 7/2^+ | Sb-138: 2^- | Sb-139: 7/2^+ unstable isotopes | Sb-125 (2.7586 yr) | Sb-124 (60 days) | Sb-126 (12.35 days) | Sb-127 (92.5 h) | Sb-122 (65.3722 h) | Sb-119 (38.19 h) | Sb-128 (9 h) | Sb-129 (4.4 h) | Sb-117 (170 min) | Sb-130 (39.5 min) | Sb-115 (32.17 min) | Sb-131 (23.03 min) | Sb-120 (15.89 min) | Sb-116 (15.8 min) | Sb-113 (6.7 min) | Sb-118 (220 s) | Sb-114 (209 s) | Sb-132 (167 s) | Sb-133 (150 s) | Sb-111 (75 s) | Sb-112 (51.4 s) | Sb-110 (23 s) | Sb-109 (17 s) | Sb-108 (7.4 s) | Sb-107 (4 s) | Sb-135 (1.68 s) | Sb-105 (1.22 s) | Sb-136 (923 ms) | Sb-134 (780 ms) | Sb-106 (600 ms) | Sb-137 (450 ms) | Sb-104 (440 ms) | Sb-103 (1.5 µs) | Sb-138 (300 ns) | Sb-139 (150 ns) neutron cross-section | 5.4 b neutron mass absorption | 0.0016 m^2/kg

CAS number | 7440-36-0 PubChem CID number | 5354495