O, Ag, Al

oxygen (chemical element) | silver (chemical element) | aluminum (chemical element)

Periodic table location

Images

| oxygen | silver | aluminum atomic symbol | O | Ag | Al atomic number | 8 | 47 | 13 short electronic configuration | [He]2s^22p^4 | [Kr]5s^14d^10 | [Ne]3s^23p^1 Aufbau diagram | 2p 2s | 4d 5s | 3p 3s block | p | d | p group | 16 | 11 | 13 period | 2 | 5 | 3 atomic mass | 15.999 u | 107.8682 u | 26.9815385 u half-life | (stable) | (stable) | (stable)

| oxygen | silver | aluminum phase at STP | gas | solid | solid melting point | -218.3 °C | 961.78 °C | 660.32 °C boiling point | -182.9 °C | 2162 °C | 2519 °C critical temperature | 154.59 K | | critical pressure | 5.043 MPa | | molar heat of fusion | 0.222 kJ/mol | 11.3 kJ/mol | 10.7 kJ/mol molar heat of vaporization | 3.41 kJ/mol | 255 kJ/mol | 293 kJ/mol specific heat at STP | 919 J/(kg K) | 235 J/(kg K) | 904 J/(kg K) adiabatic index | 7/5 | | (properties at standard conditions)

| oxygen | silver | aluminum density | 0.001429 g/cm^3 | 10.49 g/cm^3 | 2.7 g/cm^3 liquid density | | 9.32 g/cm^3 | 2.375 g/cm^3 molar volume | 11200 cm^3/mol | 10.283 cm^3/mol | 10 cm^3/mol Mohs hardness | | 2.5 (between gypsum and calcite) | 2.75 (between calcite and gypsum) Vickers hardness | | 251 MPa | 167 MPa Brinell hardness | | 24.5 MPa | 245 MPa bulk modulus | | 100 GPa | 76 GPa shear modulus | | 30 GPa | 26 GPa Young's modulus | | 83 GPa | 70 GPa Poisson ratio | | 0.37 | 0.35 ultimate tensile strength | | 140 MPa | refractive index | 1.000271 | | sound speed | 317.5 m/s | 2600 m/s | 5100 m/s thermal expansion | | 1.89×10^-5 K^(-1) | 2.31×10^-5 K^(-1) thermal conductivity | 0.02658 W/(m K) | 430 W/(m K) | 235 W/(m K) (properties at standard conditions)

| oxygen | silver | aluminum electrical type | | conductor | conductor resistivity | | 1.6×10^-8 Ω m (ohm meters) | 2.6×10^-8 Ω m (ohm meters) electrical conductivity | | 6.2×10^7 S/m (siemens per meter) | 3.8×10^7 S/m (siemens per meter) magnetic type | paramagnetic | diamagnetic | paramagnetic volume magnetic susceptibility | 1.90772×10^-6 | -2.38×10^-5 | 2.11×10^-5 mass magnetic susceptibility | 1.335×10^-6 m^3/kg (cubic meters per kilogram) | -2.27×10^-9 m^3/kg (cubic meters per kilogram) | 7.8×10^-9 m^3/kg (cubic meters per kilogram) molar magnetic susceptibility | 4.27184×10^-8 m^3/mol (cubic meters per mole) | -2.45×10^-10 m^3/mol (cubic meters per mole) | 2.1×10^-10 m^3/mol (cubic meters per mole) work function | | (4.52 to 4.74) eV | (4.06 to 4.26) eV threshold frequency | | (1.093×10^15 to 1.146×10^15) Hz (hertz) | (9.817×10^14 to 1.03×10^15) Hz (hertz) superconducting point | | | 1.175 K (kelvins) color | (colorless) | (silver) | (silver) refractive index | 1.000271 | |

| oxygen | silver | aluminum valence | 2 | 1 | 3 electronegativity | 3.44 | 1.93 | 1.61 electron affinity | 141 kJ/mol (kilojoules per mole) | 125.6 kJ/mol (kilojoules per mole) | 42.5 kJ/mol (kilojoules per mole) first ionization energy | 1313.9 kJ/mol (kilojoules per mole) | 731 kJ/mol (kilojoules per mole) | 577.5 kJ/mol (kilojoules per mole) ionization energies | 1313.9 kJ/mol | 3388.3 kJ/mol | 5300.5 kJ/mol | 7469.2 kJ/mol | 10989.5 kJ/mol | 13326.5 kJ/mol | 71330 kJ/mol | 84078 kJ/mol | 731 kJ/mol | 2070 kJ/mol | 3361 kJ/mol | 577.5 kJ/mol | 1816.7 kJ/mol | 2744.8 kJ/mol | 11577 kJ/mol | 14842 kJ/mol | 18379 kJ/mol | 23326 kJ/mol | 27465 kJ/mol | 31853 kJ/mol | 38473 kJ/mol

Reactivity

| oxygen | silver | aluminum term symbol | ^3P_2 | ^2S_(1/2) | ^2P_(1/2) atomic radius | 60 pm | 160 pm | 125 pm covalent radius | 66 pm | 145 pm | 121 pm van der Waals radius | 152 pm | 172 pm | (electronic ground state properties)

| oxygen | silver | aluminum universe abundance | 1 mass% | 6×10^-8 mass% | 0.005 mass% solar abundance | 0.9 mass% | 1×10^-7 mass% | 0.006 mass% meteorite abundance | 40 mass% | 1.4×10^-5 mass% | 0.91 mass% crust abundance | 46 mass% | 7.9×10^-6 mass% | 8.1 mass% ocean abundance | 86 mass% | 1×10^-8 mass% | 5×10^-7 mass% human abundance | 61 mass% | | 9×10^-5 mass% universe molar abundance | 0.08 mol% | 7×10^-10 mol% | 2×10^-4 mol% solar molar abundance | 0.07 mol% | 9.9×10^-10 mol% | 3×10^-4 mol% meteorite molar abundance | 48 mol% | 2×10^-6 mol% | 0.67 mol% ocean molar abundance | 33 mol% | 5.7×10^-10 mol% | 1.1×10^-7 mol% crust molar abundance | 60 mol% | 2×10^-6 mol% | 6.3 mol% human molar abundance | 24 mol% | | 2.1×10^-5 mol%

| oxygen | silver | aluminum half-life | (stable) | (stable) | (stable) stable isotopes | O-16 (99.762%) | O-18 (0.2%) | O-17 (3.8×10^-4) | Ag-107 (51.839%) | Ag-109 (48.161%) | Al-27 (100%) nuclear spin | O-12: 0^+ | O-13: 3/2^- | O-14: 0^+ | O-15: 1/2^- | O-16: 0^+ | O-17: 5/2^+ | O-18: 0^+ | O-19: 5/2^+ | O-20: 0^+ | O-21: 5/2^+ | O-22: 0^+ | O-23: 1/2^+ | O-24: 0^+ | O-25: 3/2^+ | O-26: 0^+ | O-27: 3/2^+ | O-28: 0^+ | Ag-93: 9/2^+ | Ag-94: 0^+ | Ag-95: 9/2^+ | Ag-96: 8^+ | Ag-97: 9/2^+ | Ag-98: 6^+ | Ag-99: 9/2^+ | Ag-100: 5^+ | Ag-101: 9/2^+ | Ag-102: 5^+ | Ag-103: 7/2^+ | Ag-104: 5^+ | Ag-105: 1/2^- | Ag-106: 1^+ | Ag-107: 1/2^- | Ag-108: 1^+ | Ag-109: 1/2^- | Ag-110: 1^+ | Ag-111: 1/2^- | Ag-112: 2^- | Ag-113: 1/2^- | Ag-114: 1^+ | Ag-115: 1/2^- | Ag-116: 2^- | Ag-117: 1/2^- | Ag-118: 1^- | Ag-119: 1/2^- | Ag-120: 3^+ | Ag-121: 7/2^+ | Ag-122: 3^+ | Ag-123: 7/2^+ | Ag-124: 2^+ | Ag-125: 7/2^+ | Ag-126: 3^+ | Ag-127: 1/2^- | Ag-129: 9/2^+ | Ag-130: 0^+ | Al-21: 5/2^+ | Al-22: 3^+ | Al-23: 5/2^+ | Al-24: 4^+ | Al-25: 5/2^+ | Al-26: 5^+ | Al-27: 5/2^+ | Al-28: 3^+ | Al-29: 5/2^+ | Al-30: 3^+ | Al-32: 1^+ | Al-33: 5/2^+ | Al-34: 4^- | Al-35: 5/2^+ | Al-37: 3/2^+ | Al-39: 3/2^+ | Al-41: 3/2^+ unstable isotopes | O-15 (122.24 s) | O-14 (70.606 s) | O-19 (26.88 s) | O-20 (13.51 s) | O-21 (3.42 s) | O-22 (2.25 s) | O-23 (82 ms) | O-24 (65 ms) | O-13 (8.58 ms) | O-27 (260 ns) | O-28 (100 ns) | O-25 (50 ns) | O-26 (40 ns) | O-12 (1.14 zs) | Ag-105 (41.28 days) | Ag-111 (7.45 days) | Ag-113 (5.36 h) | Ag-112 (187.8 min) | Ag-104 (69.17 min) | Ag-103 (65.67 min) | Ag-106 (23.97 min) | Ag-115 (20 min) | Ag-102 (12.9 min) | Ag-101 (11.1 min) | Ag-116 (161 s) | Ag-108 (142 s) | Ag-99 (124 s) | Ag-100 (121 s) | Ag-117 (72.8 s) | Ag-98 (47.5 s) | Ag-97 (25.9 s) | Ag-110 (24.6 s) | Ag-119 (6 s) | Ag-114 (4.6 s) | Ag-96 (4.45 s) | Ag-118 (3.76 s) | Ag-95 (2 s) | Ag-120 (1.23 s) | Ag-121 (790 ms) | Ag-122 (529 ms) | Ag-123 (300 ms) | Ag-124 (172 ms) | Ag-125 (166 ms) | Ag-126 (107 ms) | Ag-127 (79 ms) | Ag-128 (58 ms) | Ag-130 (50 ms) | Ag-129 (46 ms) | Ag-94 (26 ms) | Ag-93 (1.5 µs) | Al-26 (0.717 Myr) | Al-29 (6.57 min) | Al-28 (134.48 s) | Al-25 (7.183 s) | Al-30 (3.6 s) | Al-24 (2.053 s) | Al-31 (644 ms) | Al-23 (470 ms) | Al-36 (90 ms) | Al-22 (59 ms) | Al-34 (42 ms) | Al-33 (41.7 ms) | Al-35 (38.6 ms) | Al-32 (33 ms) | Al-37 (10.7 ms) | Al-38 (7.6 ms) | Al-39 (7.6 µs) | Al-41 (260 ns) | Al-40 (260 ns) | Al-42 (170 ns) | Al-21 (35 ns) neutron cross-section | 2.8×10^-4 b | 63.6 b | 0.233 b neutron mass absorption | 1×10^-6 m^2/kg | 0.02 m^2/kg | 0.03 m^2/kg

| oxygen | silver | aluminum CAS number | 7782-44-7 | 7440-22-4 | 7429-90-5 PubChem CID number | 977 | 23954 | 5359268