chlorine vs sulfur vs tellurium vs selenium

chlorine (chemical element) | sulfur (chemical element) | tellurium (chemical element) | selenium (chemical element)

Periodic table location

Images

| atomic symbol | atomic number | short electronic configuration chlorine | Cl | 17 | [Ne]3s^23p^5 sulfur | S | 16 | [Ne]3s^23p^4 tellurium | Te | 52 | [Kr]5s^24d^105p^4 selenium | Se | 34 | [Ar]4s^23d^104p^4 | Aufbau diagram | block | group chlorine | 3p 3s | p | 17 sulfur | 3p 3s | p | 16 tellurium | 5p 4d 5s | p | 16 selenium | 4p 3d 4s | p | 16 | period | atomic mass | half-life chlorine | 3 | 35.45 u | (stable) sulfur | 3 | 32.06 u | (stable) tellurium | 5 | 127.6 u | (stable) selenium | 4 | 78.971 u | (stable)

phase at STP | all | gas | solid melting point | median | 168 °C | highest | 449.51 °C (tellurium) | lowest | -101.5 °C (chlorine) | distribution | boiling point | median | 565 °C | highest | 988 °C (tellurium) | lowest | -34.04 °C (chlorine) | distribution | critical temperature | median | 1314 K | highest | 1766 K (selenium) | lowest | 416.9 K (chlorine) | distribution | critical pressure | median | 20.7 MPa | highest | 27.2 MPa (selenium) | lowest | 7.991 MPa (chlorine) | distribution | molar heat of fusion | median | 4.3 kJ/mol | highest | 17.5 kJ/mol (tellurium) | lowest | 1.73 kJ/mol (sulfur) | distribution | molar heat of vaporization | median | 18 kJ/mol | highest | 48 kJ/mol (tellurium) | lowest | 9.8 kJ/mol (sulfur) | distribution | specific heat at STP | median | 399.7 J/(kg K) | highest | 705 J/(kg K) (sulfur) | lowest | 201 J/(kg K) (tellurium) | distribution | (properties at standard conditions)

density | median | 3.389 g/cm^3 | highest | 6.24 g/cm^3 (tellurium) | lowest | 0.003214 g/cm^3 (chlorine) | distribution | liquid density | median | 3.99 g/cm^3 | highest | 5.7 g/cm^3 (tellurium) | lowest | 1.819 g/cm^3 (sulfur) | distribution | molar volume | median | 18.42 cm^3/mol | highest | 11030 cm^3/mol (chlorine) | lowest | 16.36 cm^3/mol (sulfur) Mohs hardness | median | 2 | highest | 2.25 (between gypsum and calcite) (tellurium) | lowest | 2 (≈ gypsum) (sulfur and selenium) Brinell hardness | all | 180 MPa | 736 MPa bulk modulus | median | 8 GPa | highest | 65 GPa (tellurium) | lowest | 1.1 GPa (chlorine) Poisson ratio | all | 0.33 ultimate tensile strength | all | 11 MPa refractive index | median | 1.000943 | highest | 1.001111 (sulfur) | lowest | 1.000773 (chlorine) sound speed | median | 2610 m/s | highest | 3350 m/s (selenium) | lowest | 206 m/s (chlorine) | distribution | thermal conductivity | median | 0.36 W/(m K) | highest | 3 W/(m K) (tellurium) | lowest | 0.0089 W/(m K) (chlorine) (properties at standard conditions)

resistivity | median | 100 Ω m (ohm meters) | highest | 1×10^15 Ω m (ohm meters) (sulfur) | lowest | 1×10^-4 Ω m (ohm meters) (tellurium) electrical conductivity | median | 0.01 S/m (siemens per meter) | highest | 10000 S/m (siemens per meter) (tellurium) | lowest | 1×10^-15 S/m (siemens per meter) (sulfur) volume magnetic susceptibility | median | -1.58×10^-5 | highest | -2.31×10^-8 (chlorine) | lowest | -2.43×10^-5 (tellurium) | distribution | mass magnetic susceptibility | median | -5.1×10^-9 m^3/kg (cubic meters per kilogram) | highest | -3.9×10^-9 m^3/kg (cubic meters per kilogram) (tellurium) | lowest | -7.2×10^-9 m^3/kg (cubic meters per kilogram) (chlorine) | distribution | molar magnetic susceptibility | median | -4.07×10^-10 m^3/mol (cubic meters per mole) | highest | -1.99×10^-10 m^3/mol (cubic meters per mole) (sulfur) | lowest | -5.11×10^-10 m^3/mol (cubic meters per mole) (chlorine) | distribution | work function | all | 4.95 eV | 5.9 eV

valence | median | 6 | highest | 6 (3 elements) | lowest | 5 (chlorine) electronegativity | median | 2.57 | highest | 3.16 (chlorine) | lowest | 2.1 (tellurium) | distribution | electron affinity | median | 200 kJ/mol (kilojoules per mole) | highest | 349 kJ/mol (kilojoules per mole) (chlorine) | lowest | 190.2 kJ/mol (kilojoules per mole) (tellurium) | distribution | first ionization energy | median | 970.3 kJ/mol (kilojoules per mole) | highest | 1251.2 kJ/mol (kilojoules per mole) (chlorine) | lowest | 869.3 kJ/mol (kilojoules per mole) (tellurium) | distribution |

term symbol | all | ^2P_(3/2) | ^3P_2 atomic radius | median | 108 pm | highest | 140 pm (tellurium) | lowest | 100 pm (chlorine and sulfur) | distribution | covalent radius | median | 113 pm | highest | 138 pm (tellurium) | lowest | 102 pm (chlorine) | distribution | van der Waals radius | median | 185 pm | highest | 206 pm (tellurium) | lowest | 175 pm (chlorine) | distribution | (electronic ground state properties)

universe abundance | median | 5.15×10^-5 mass% | highest | 0.05 mass% (sulfur) | lowest | 9×10^-7 mass% (tellurium) meteorite abundance | median | 0.019 mass% | highest | 4 mass% (sulfur) | lowest | 2.1×10^-4 mass% (tellurium) crust abundance | median | 0.0085 mass% | highest | 0.042 mass% (sulfur) | lowest | 9.9×10^-8 mass% (tellurium) | distribution | ocean abundance | median | 0.093 mass% | highest | 2 mass% (chlorine) | lowest | 4.5×10^-8 mass% (selenium) human abundance | median | 0.12 mass% | highest | 0.2 mass% (sulfur) | lowest | 5×10^-6 mass% (selenium) | distribution | universe molar abundance | median | 2×10^-6 mol% | highest | 0.002 mol% (sulfur) | lowest | 9×10^-9 mol% (tellurium) meteorite molar abundance | median | 0.0081 mol% | highest | 2.2 mol% (sulfur) | lowest | 3×10^-5 mol% (tellurium) ocean molar abundance | median | 0.018 mol% | highest | 0.35 mol% (chlorine) | lowest | 3.5×10^-9 mol% (selenium) crust molar abundance | median | 0.005 mol% | highest | 0.027 mol% (sulfur) | lowest | 2×10^-8 mol% (tellurium) human molar abundance | median | 0.021 mol% | highest | 0.039 mol% (sulfur) | lowest | 4×10^-7 mol% (selenium) | distribution |