arsenic vs polonium vs antimony

arsenic (chemical element) | polonium (chemical element) | antimony (chemical element)

Periodic table location

Images

| arsenic | polonium | antimony atomic symbol | As | Po | Sb atomic number | 33 | 84 | 51 short electronic configuration | [Ar]4s^23d^104p^3 | [Xe]6s^24f^145d^106p^4 | [Kr]5s^24d^105p^3 Aufbau diagram | 4p 3d 4s | 6p 5d 4f 6s | 5p 4d 5s block | p | p | p group | 15 | 16 | 15 period | 4 | 6 | 5 atomic mass | 74.921595 u | 209 u | 121.76 u half-life | (stable) | 102 yr | (stable)

| arsenic | polonium | antimony phase at STP | solid | solid | solid melting point | 817 °C | 254 °C | 630.63 °C boiling point | 614 °C | 962 °C | 1587 °C molar heat of fusion | 27.7 kJ/mol | 13 kJ/mol | 19.7 kJ/mol molar heat of vaporization | 32.4 kJ/mol | 100 kJ/mol | 68 kJ/mol specific heat at STP | 328 J/(kg K) | | 207 J/(kg K) (properties at standard conditions)

| arsenic | polonium | antimony density | 5.727 g/cm^3 | 9.196 g/cm^3 | 6.697 g/cm^3 liquid density | 5.22 g/cm^3 | | 6.53 g/cm^3 molar volume | 13.08 cm^3/mol | 22.7 cm^3/mol | 18.18 cm^3/mol Mohs hardness | 3.5 (between calcite and fluorite) | | 3 (≈ calcite) Vickers hardness | 1510 MPa | | Brinell hardness | 1440 MPa | | 294 MPa bulk modulus | 22 GPa | | 42 GPa shear modulus | | | 20 GPa Young's modulus | 8 GPa | | 55 GPa ultimate tensile strength | | | 11 MPa refractive index | 1.001552 | | sound speed | | | 3420 m/s thermal expansion | | | 1.1×10^-5 K^(-1) thermal conductivity | 50 W/(m K) | | 24 W/(m K) (properties at standard conditions)

| arsenic | polonium | antimony electrical type | conductor | conductor | conductor resistivity | 3×10^-7 Ω m (ohm meters) | 4.3×10^-7 Ω m (ohm meters) | 4×10^-7 Ω m (ohm meters) electrical conductivity | 3.3×10^6 S/m (siemens per meter) | 2.3×10^6 S/m (siemens per meter) | 2.5×10^6 S/m (siemens per meter) magnetic type | diamagnetic | | diamagnetic volume magnetic susceptibility | -2.23×10^-5 | | -7.3×10^-5 mass magnetic susceptibility | -3.9×10^-9 m^3/kg (cubic meters per kilogram) | | -1.09×10^-8 m^3/kg (cubic meters per kilogram) molar magnetic susceptibility | -2.92×10^-10 m^3/mol (cubic meters per mole) | | -1.327×10^-9 m^3/mol (cubic meters per mole) work function | 3.75 eV (Polycrystalline) | | (4.55 to 4.7) eV threshold frequency | 9.067×10^14 Hz (hertz) | | (1.1×10^15 to 1.136×10^15) Hz (hertz) color | (silver) | (silver) | (silver) refractive index | 1.001552 | |

| arsenic | polonium | antimony valence | 5 | 6 | 5 electronegativity | 2.18 | 2 | 2.05 electron affinity | 78 kJ/mol (kilojoules per mole) | 183.3 kJ/mol (kilojoules per mole) | 103.2 kJ/mol (kilojoules per mole) first ionization energy | 947 kJ/mol (kilojoules per mole) | 812.1 kJ/mol (kilojoules per mole) | 834 kJ/mol (kilojoules per mole) ionization energies | 947 kJ/mol | 1798 kJ/mol | 2735 kJ/mol | 4837 kJ/mol | 6043 kJ/mol | 12310 kJ/mol | 812.1 kJ/mol | 834 kJ/mol | 1594.9 kJ/mol | 2440 kJ/mol | 4260 kJ/mol | 5400 kJ/mol | 10400 kJ/mol

Reactivity

| arsenic | polonium | antimony term symbol | ^4S_(3/2) | ^3P_2 | ^4S_(3/2) atomic radius | 115 pm | 190 pm | 145 pm covalent radius | 119 pm | 140 pm | 139 pm van der Waals radius | 185 pm | | (electronic ground state properties)

| arsenic | polonium | antimony universe abundance | 8×10^-7 mass% | | 4×10^-8 mass% solar abundance | | | 1×10^-7 mass% meteorite abundance | 1.8×10^-4 mass% | | 1.2×10^-5 mass% crust abundance | 2.1×10^-4 mass% | | 2×10^-5 mass% ocean abundance | 2.3×10^-7 mass% | 2×10^-18 mass% | 2×10^-8 mass% human abundance | 5×10^-6 mass% | 0 mass% | universe molar abundance | 1×10^-8 mol% | | 4×10^-10 mol% solar molar abundance | | | 9.9×10^-10 mol% meteorite molar abundance | 4.6×10^-5 mol% | | 2×10^-6 mol% ocean molar abundance | 1.9×10^-8 mol% | 6×10^-6 mol% | 1×10^-9 mol% crust molar abundance | 5.8×10^-5 mol% | | 3×10^-6 mol% human molar abundance | 4×10^-7 mol% | 0 mol% |

| arsenic | polonium | antimony half-life | (stable) | 102 yr | (stable) specific radioactivity | | 621 GBq/g | decay mode | | alpha emission | stable isotopes | As-75 (100%) | | Sb-121 (57.21%) | Sb-123 (42.79%) nuclear spin | As-60: 5^+ | As-61: 3/2^- | As-62: 1^+ | As-63: 3/2^- | As-64: 0^+ | As-65: 3/2^- | As-66: 0^+ | As-67: 5/2^- | As-68: 3^+ | As-69: 5/2^- | As-70: 4^+ | As-71: 5/2^- | As-72: 2^- | As-73: 3/2^- | As-74: 2^- | As-75: 3/2^- | As-76: 2^- | As-77: 3/2^- | As-78: 2^- | As-79: 3/2^- | As-80: 1^+ | As-81: 3/2^- | As-82: 1^+ | As-84: 3^- | As-85: 3/2^- | As-87: 3/2^- | As-89: 3/2^- | As-91: 3/2^- | Po-188: 0^+ | Po-189: 7/2^- | Po-190: 0^+ | Po-191: 3/2^- | Po-192: 0^+ | Po-193: 3/2^- | Po-194: 0^+ | Po-195: 3/2^- | Po-196: 0^+ | Po-197: 3/2^- | Po-198: 0^+ | Po-199: 3/2^- | Po-200: 0^+ | Po-201: 3/2^- | Po-202: 0^+ | Po-203: 5/2^- | Po-204: 0^+ | Po-205: 5/2^- | Po-206: 0^+ | Po-207: 5/2^- | Po-208: 0^+ | Po-209: 1/2^- | Po-210: 0^+ | Po-211: 9/2^+ | Po-212: 0^+ | Po-213: 9/2^+ | Po-214: 0^+ | Po-215: 9/2^+ | Po-216: 0^+ | Po-217: 9/2^+ | Po-218: 0^+ | Po-219: 7/2^+ | Po-220: 0^+ | 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 | As-73 (80.3 days) | As-74 (17.77 days) | As-71 (65.3 h) | As-77 (38.83 h) | As-76 (26.261 h) | As-72 (26 h) | As-78 (90.67 min) | As-70 (52.67 min) | As-69 (15.2 min) | As-79 (9.02 min) | As-68 (151.6 s) | As-67 (42.5 s) | As-81 (33.3 s) | As-82 (19.1 s) | As-80 (15.2 s) | As-83 (13.4 s) | As-84 (3.24 s) | As-85 (2.021 s) | As-86 (945 ms) | As-87 (560 ms) | As-65 (128 ms) | As-66 (95.77 ms) | As-90 (80 ms) | As-64 (18 ms) | As-92 (300 ns) | As-89 (300 ns) | As-88 (300 ns) | As-91 (150 ns) | Po-209 (102 yr) | Po-208 (2.898 yr) | Po-210 (138.376 days) | Po-206 (8.8 days) | Po-207 (5.8 h) | Po-204 (212 min) | Po-205 (104 min) | Po-202 (44.67 min) | Po-203 (37 min) | Po-201 (15.6 min) | Po-200 (11.5 min) | Po-199 (5.48 min) | Po-218 (185.9 s) | Po-198 (106 s) | Po-197 (84 s) | Po-196 (5.8 s) | Po-195 (4.64 s) | Po-217 (1.53 s) | Po-211 (516 ms) | Po-193 (420 ms) | Po-194 (392 ms) | Po-216 (145 ms) | Po-192 (33.2 ms) | Po-191 (22 ms) | Po-189 (3.5 ms) | Po-190 (2.46 ms) | Po-215 (1.781 ms) | Po-188 (400 µs) | Po-214 (164.3 µs) | Po-213 (3.72 µs) | Po-220 (300 ns) | Po-219 (300 ns) | Po-212 (299 ns) | 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 | 4.3 b | 0.5 b | 5.4 b neutron mass absorption | 0.002 m^2/kg | | 0.0016 m^2/kg

| arsenic | polonium | antimony CAS number | 7440-38-2 | 7440-08-6 | 7440-36-0 PubChem CID number | | | 5354495