argon vs chlorine vs cobalt

argon (chemical element) | chlorine (chemical element) | cobalt (chemical element)

Periodic table location

Images

| argon | chlorine | cobalt atomic symbol | Ar | Cl | Co atomic number | 18 | 17 | 27 short electronic configuration | [Ne]3s^23p^6 | [Ne]3s^23p^5 | [Ar]4s^23d^7 Aufbau diagram | 3p 3s | 3p 3s | 3d 4s block | p | p | d group | 18 | 17 | 9 period | 3 | 3 | 4 atomic mass | 39.948 u | 35.45 u | 58.933194 u half-life | (stable) | (stable) | (stable)

| argon | chlorine | cobalt phase at STP | gas | gas | solid melting point | -189.3 °C | -101.5 °C | 1495 °C boiling point | -185.8 °C | -34.04 °C | 2927 °C critical temperature | 150.87 K | 416.9 K | (unknown) critical pressure | 4.898 MPa | 7.991 MPa | (unknown) molar heat of fusion | 1.18 kJ/mol | 3.2 kJ/mol | 16.2 kJ/mol molar heat of vaporization | 6.5 kJ/mol | 10.2 kJ/mol | 375 kJ/mol specific heat at STP | 520.33 J/(kg K) | 478.2 J/(kg K) | 421 J/(kg K) adiabatic index | 5/3 | 7/5 | (properties at standard conditions)

| argon | chlorine | cobalt density | 0.001784 g/cm^3 | 0.003214 g/cm^3 | 8.9 g/cm^3 liquid density | | | 7.75 g/cm^3 molar volume | 22390 cm^3/mol | 11030 cm^3/mol | 6.6 cm^3/mol Mohs hardness | | | 5 (≈ apatite) Vickers hardness | | | 1043 MPa Brinell hardness | | | 700 MPa bulk modulus | | 1.1 GPa | 180 GPa shear modulus | | | 75 GPa Young's modulus | | | 209 GPa Poisson ratio | | | 0.31 tensile yield strength | | | 225 MPa refractive index | 1.000281 | 1.000773 | (unknown) sound speed | 319 m/s | 206 m/s | 4720 m/s thermal expansion | | | 1.3×10^-5 K^(-1) thermal conductivity | 0.01772 W/(m K) | 0.0089 W/(m K) | 100 W/(m K) (properties at standard conditions)

| argon | chlorine | cobalt electrical type | | insulator | conductor resistivity | | 100 Ω m (ohm meters) | 6×10^-8 Ω m (ohm meters) electrical conductivity | | 0.01 S/m (siemens per meter) | 1.7×10^7 S/m (siemens per meter) magnetic type | diamagnetic | diamagnetic | ferromagnetic volume magnetic susceptibility | -1.07×10^-8 | -2.31×10^-8 | mass magnetic susceptibility | -6×10^-9 m^3/kg (cubic meters per kilogram) | -7.2×10^-9 m^3/kg (cubic meters per kilogram) | molar magnetic susceptibility | -2.4×10^-10 m^3/mol (cubic meters per mole) | -5.11×10^-10 m^3/mol (cubic meters per mole) | Curie point | | | 1394 K (kelvins) work function | | | 5 eV (Polycrystalline) threshold frequency | | | 1.209×10^15 Hz (hertz) color | (colorless) | (yellow) | (gray) refractive index | 1.000281 | 1.000773 | (unknown)

| argon | chlorine | cobalt valence | 0 | 5 | 4 electronegativity | | 3.16 | 1.88 electron affinity | 0 kJ/mol (kilojoules per mole) | 349 kJ/mol (kilojoules per mole) | 63.7 kJ/mol (kilojoules per mole) first ionization energy | 1520.6 kJ/mol (kilojoules per mole) | 1251.2 kJ/mol (kilojoules per mole) | 760.4 kJ/mol (kilojoules per mole) ionization energies | 1520.6 kJ/mol | 2665.8 kJ/mol | 3931 kJ/mol | 5771 kJ/mol | 7238 kJ/mol | 8781 kJ/mol | 11995 kJ/mol | 13842 kJ/mol | 40760 kJ/mol | 46186 kJ/mol | 1251.2 kJ/mol | 2298 kJ/mol | 3822 kJ/mol | 5158.6 kJ/mol | 6542 kJ/mol | 9362 kJ/mol | 11018 kJ/mol | 33604 kJ/mol | 38600 kJ/mol | 43961 kJ/mol | 760.4 kJ/mol | 1648 kJ/mol | 3232 kJ/mol | 4950 kJ/mol | 7670 kJ/mol | 9840 kJ/mol | 12440 kJ/mol | 15230 kJ/mol | 17959 kJ/mol | 26570 kJ/mol | 29400 kJ/mol | 32400 kJ/mol | 36600 kJ/mol | 39700 kJ/mol | 42800 kJ/mol | 49396 kJ/mol | 52737 kJ/mol | 134810 kJ/mol | 145170 kJ/mol | 154700 kJ/mol | 167400 kJ/mol

Reactivity

| argon | chlorine | cobalt term symbol | ^1S_0 | ^2P_(3/2) | ^4F_(9/2) atomic radius | 71 pm | 100 pm | 135 pm covalent radius | 106 pm | 102 pm | 126 pm van der Waals radius | 188 pm | 175 pm | (unknown) (electronic ground state properties)

| argon | chlorine | cobalt universe abundance | 0.02 mass% | 1×10^-4 mass% | 3×10^-4 mass% solar abundance | 0.007 mass% | 8×10^-4 mass% | 4×10^-4 mass% meteorite abundance | | 0.037 mass% | 0.059 mass% crust abundance | 1.5×10^-4 mass% | 0.017 mass% | 0.003 mass% ocean abundance | 4.5×10^-5 mass% | 2 mass% | 8×10^-9 mass% human abundance | | 0.12 mass% | 2×10^-6 mass% universe molar abundance | 6×10^-4 mol% | 4×10^-6 mol% | 6×10^-6 mol% solar molar abundance | 2×10^-4 mol% | 3×10^-5 mol% | 7×10^-6 mol% meteorite molar abundance | | 0.016 mol% | 0.02 mol% ocean molar abundance | 7×10^-6 mol% | 0.35 mol% | 8×10^-10 mol% crust molar abundance | 7.8×10^-5 mol% | 0.0099 mol% | 9.9×10^-4 mol% human molar abundance | | 0.021 mol% | 2×10^-7 mol%