copper vs bromine vs krypton

copper (chemical element) | bromine (chemical element) | krypton (chemical element)

Periodic table location

Images

| copper | bromine | krypton atomic symbol | Cu | Br | Kr atomic number | 29 | 35 | 36 short electronic configuration | [Ar]4s^13d^10 | [Ar]4s^23d^104p^5 | [Ar]4s^23d^104p^6 Aufbau diagram | 3d 4s | 4p 3d 4s | 4p 3d 4s block | d | p | p group | 11 | 17 | 18 period | 4 | 4 | 4 atomic mass | 63.546 u | 79.904 u | 83.798 u half-life | (stable) | (stable) | (stable)

| copper | bromine | krypton phase at STP | solid | liquid | gas melting point | 1084.62 °C | -7.3 °C | -157.36 °C boiling point | 2562 °C | 59 °C | -153.22 °C critical temperature | | 588 K | 209.41 K critical pressure | | 10.34 MPa | 5.5 MPa molar heat of fusion | 13.1 kJ/mol | 5.8 kJ/mol | 1.64 kJ/mol molar heat of vaporization | 300 kJ/mol | 14.8 kJ/mol | 9.02 kJ/mol specific heat at STP | 384.4 J/(kg K) | 947.3 J/(kg K) | 248.05 J/(kg K) adiabatic index | | | 5/3 (properties at standard conditions)

| copper | bromine | krypton density | 8.96 g/cm^3 | 3.12 g/cm^3 | 0.00375 g/cm^3 liquid density | 8.02 g/cm^3 | 3.12 g/cm^3 | molar volume | 7.092 cm^3/mol | 25.61 cm^3/mol | 22300 cm^3/mol Mohs hardness | 3 (≈ calcite) | | Vickers hardness | 369 MPa | | Brinell hardness | 874 MPa | | bulk modulus | 140 GPa | 1.9 GPa | shear modulus | 48 GPa | | Young's modulus | 130 GPa | | Poisson ratio | 0.34 | | refractive index | | 1.001132 | 1.000427 sound speed | 3570 m/s | | 1120 m/s thermal expansion | 1.65×10^-5 K^(-1) | | thermal conductivity | 400 W/(m K) | 0.12 W/(m K) | 0.00943 W/(m K) (properties at standard conditions)

| copper | bromine | krypton electrical type | conductor | insulator | resistivity | 1.7×10^-8 Ω m (ohm meters) | 1×10^10 Ω m (ohm meters) | electrical conductivity | 5.9×10^7 S/m (siemens per meter) | 1×10^-10 S/m (siemens per meter) | magnetic type | diamagnetic | diamagnetic | diamagnetic volume magnetic susceptibility | -9.63×10^-6 | -1.53×10^-5 | -1.65×10^-8 mass magnetic susceptibility | -1.08×10^-9 m^3/kg (cubic meters per kilogram) | -4.9×10^-9 m^3/kg (cubic meters per kilogram) | -4.4×10^-9 m^3/kg (cubic meters per kilogram) molar magnetic susceptibility | -6.86×10^-11 m^3/mol (cubic meters per mole) | -7.83×10^-10 m^3/mol (cubic meters per mole) | -3.69×10^-10 m^3/mol (cubic meters per mole) work function | (4.48 to 5.1) eV | | threshold frequency | (1.083×10^15 to 1.233×10^15) Hz (hertz) | | color | (copper) | (red) | (colorless) refractive index | | 1.001132 | 1.000427

| copper | bromine | krypton valence | 2 | 5 | 2 electronegativity | 1.9 | 2.96 | 3 electron affinity | 118.4 kJ/mol (kilojoules per mole) | 324.6 kJ/mol (kilojoules per mole) | 0 kJ/mol (kilojoules per mole) first ionization energy | 745.5 kJ/mol (kilojoules per mole) | 1139.9 kJ/mol (kilojoules per mole) | 1350.8 kJ/mol (kilojoules per mole) ionization energies | 745.5 kJ/mol | 1957.9 kJ/mol | 3555 kJ/mol | 5536 kJ/mol | 7700 kJ/mol | 9900 kJ/mol | 13400 kJ/mol | 16000 kJ/mol | 19200 kJ/mol | 22400 kJ/mol | 25600 kJ/mol | 35600 kJ/mol | 38700 kJ/mol | 42000 kJ/mol | 46700 kJ/mol | 50200 kJ/mol | 53700 kJ/mol | 61100 kJ/mol | 64702 kJ/mol | 163700 kJ/mol | 174100 kJ/mol | 1139.9 kJ/mol | 2103 kJ/mol | 3470 kJ/mol | 4560 kJ/mol | 5760 kJ/mol | 8550 kJ/mol | 9940 kJ/mol | 18600 kJ/mol | 1350.8 kJ/mol | 2350.4 kJ/mol | 3565 kJ/mol | 5070 kJ/mol | 6240 kJ/mol | 7570 kJ/mol | 10710 kJ/mol | 12138 kJ/mol | 22274 kJ/mol | 25880 kJ/mol | 29700 kJ/mol | 33800 kJ/mol | 37700 kJ/mol | 43100 kJ/mol | 47500 kJ/mol | 52200 kJ/mol | 57100 kJ/mol | 61800 kJ/mol | 75800 kJ/mol | 80400 kJ/mol | 85300 kJ/mol

Reactivity

| copper | bromine | krypton term symbol | ^2S_(1/2) | ^2P_(3/2) | ^1S_0 atomic radius | 135 pm | 115 pm | 88 pm covalent radius | 132 pm | 120 pm | 116 pm van der Waals radius | 140 pm | 185 pm | 202 pm (electronic ground state properties)

| copper | bromine | krypton universe abundance | 6×10^-6 mass% | 7×10^-7 mass% | 4×10^-6 mass% solar abundance | 7×10^-5 mass% | | meteorite abundance | 0.011 mass% | 1.2×10^-4 mass% | crust abundance | 0.0068 mass% | 3×10^-4 mass% | 1.5×10^-8 mass% ocean abundance | 3×10^-7 mass% | 0.0067 mass% | 2.1×10^-8 mass% human abundance | 1×10^-4 mass% | 2.9×10^-4 mass% | universe molar abundance | 1×10^-7 mol% | 1×10^-8 mol% | 6×10^-8 mol% solar molar abundance | 9.9×10^-7 mol% | | meteorite molar abundance | 0.0031 mol% | 2.3×10^-5 mol% | ocean molar abundance | 2.9×10^-8 mol% | 5.2×10^-4 mol% | 1.6×10^-9 mol% crust molar abundance | 0.0022 mol% | 7.8×10^-5 mol% | 4×10^-9 mol% human molar abundance | 9.9×10^-6 mol% | 2.3×10^-5 mol% |