aluminum vs iron vs zinc

aluminum (chemical element) | iron (chemical element) | zinc (chemical element)

Periodic table location

Images

| aluminum | iron | zinc atomic symbol | Al | Fe | Zn atomic number | 13 | 26 | 30 short electronic configuration | [Ne]3s^23p^1 | [Ar]4s^23d^6 | [Ar]4s^23d^10 Aufbau diagram | 3p 3s | 3d 4s | 3d 4s block | p | d | d group | 13 | 8 | 12 period | 3 | 4 | 4 atomic mass | 26.9815385 u | 55.845 u | 65.38 u half-life | (stable) | (stable) | (stable)

| aluminum | iron | zinc phase at STP | solid | solid | solid melting point | 660.32 °C | 1538 °C | 419.53 °C boiling point | 2519 °C | 2861 °C | 907 °C molar heat of fusion | 10.7 kJ/mol | 13.8 kJ/mol | 7.35 kJ/mol molar heat of vaporization | 293 kJ/mol | 347 kJ/mol | 119 kJ/mol specific heat at STP | 904 J/(kg K) | 449 J/(kg K) | 388 J/(kg K) (properties at standard conditions)

| aluminum | iron | zinc density | 2.7 g/cm^3 | 7.874 g/cm^3 | 7.14 g/cm^3 liquid density | 2.375 g/cm^3 | 6.98 g/cm^3 | 6.57 g/cm^3 molar volume | 10 cm^3/mol | 7.092 cm^3/mol | 9.16 cm^3/mol Mohs hardness | 2.75 (between calcite and gypsum) | 4 (≈ fluorite) | 2.5 (between gypsum and calcite) Vickers hardness | 167 MPa | 608 MPa | Brinell hardness | 245 MPa | 490 MPa | 412 MPa bulk modulus | 76 GPa | 170 GPa | 70 GPa shear modulus | 26 GPa | 82 GPa | 43 GPa Young's modulus | 70 GPa | 211 GPa | 108 GPa Poisson ratio | 0.35 | 0.29 | 0.25 tensile yield strength | | 50 MPa | ultimate tensile strength | | | 37 MPa refractive index | | (unknown) | 1.00205 sound speed | 5100 m/s | 4910 m/s | 3700 m/s thermal expansion | 2.31×10^-5 K^(-1) | 1.18×10^-5 K^(-1) | 3.02×10^-5 K^(-1) thermal conductivity | 235 W/(m K) | 80 W/(m K) | 120 W/(m K) (properties at standard conditions)

| aluminum | iron | zinc electrical type | conductor | conductor | conductor resistivity | 2.6×10^-8 Ω m (ohm meters) | 9.7×10^-8 Ω m (ohm meters) | 5.9×10^-8 Ω m (ohm meters) electrical conductivity | 3.8×10^7 S/m (siemens per meter) | 1×10^7 S/m (siemens per meter) | 1.7×10^7 S/m (siemens per meter) magnetic type | paramagnetic | ferromagnetic | diamagnetic volume magnetic susceptibility | 2.11×10^-5 | | -1.58×10^-5 mass magnetic susceptibility | 7.8×10^-9 m^3/kg (cubic meters per kilogram) | | -2.21×10^-9 m^3/kg (cubic meters per kilogram) molar magnetic susceptibility | 2.1×10^-10 m^3/mol (cubic meters per mole) | | -1.45×10^-10 m^3/mol (cubic meters per mole) Curie point | | 1043 K (kelvins) | work function | (4.06 to 4.26) eV | (4.67 to 4.81) eV | (3.63 to 4.9) eV threshold frequency | (9.817×10^14 to 1.03×10^15) Hz (hertz) | (1.129×10^15 to 1.163×10^15) Hz (hertz) | (8.777×10^14 to 1.185×10^15) Hz (hertz) superconducting point | 1.175 K (kelvins) | (unknown) | 0.85 K (kelvins) color | (silver) | (gray) | (slate gray) refractive index | | (unknown) | 1.00205

| aluminum | iron | zinc valence | 3 | 3 | 2 electronegativity | 1.61 | 1.83 | 1.65 electron affinity | 42.5 kJ/mol (kilojoules per mole) | 15.7 kJ/mol (kilojoules per mole) | 0 kJ/mol (kilojoules per mole) first ionization energy | 577.5 kJ/mol (kilojoules per mole) | 762.5 kJ/mol (kilojoules per mole) | 906.4 kJ/mol (kilojoules per mole) ionization energies | 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 | 762.5 kJ/mol | 1561.9 kJ/mol | 2957 kJ/mol | 5290 kJ/mol | 7240 kJ/mol | 9560 kJ/mol | 12060 kJ/mol | 14580 kJ/mol | 22540 kJ/mol | 25290 kJ/mol | 28000 kJ/mol | 31920 kJ/mol | 34830 kJ/mol | 37840 kJ/mol | 44100 kJ/mol | 47206 kJ/mol | 122200 kJ/mol | 131000 kJ/mol | 140500 kJ/mol | 152600 kJ/mol | 163000 kJ/mol | 906.4 kJ/mol | 1733.3 kJ/mol | 3833 kJ/mol | 5731 kJ/mol | 7970 kJ/mol | 10400 kJ/mol | 12900 kJ/mol | 16800 kJ/mol | 19600 kJ/mol | 23000 kJ/mol | 26400 kJ/mol | 29990 kJ/mol | 40490 kJ/mol | 43800 kJ/mol | 47300 kJ/mol | 52300 kJ/mol | 55900 kJ/mol | 59700 kJ/mol | 67300 kJ/mol | 71200 kJ/mol | 179100 kJ/mol

Reactivity

| aluminum | iron | zinc term symbol | ^2P_(1/2) | ^5D_4 | ^1S_0 atomic radius | 125 pm | 140 pm | 135 pm covalent radius | 121 pm | 132 pm | 122 pm van der Waals radius | | (unknown) | 139 pm (electronic ground state properties)

| aluminum | iron | zinc universe abundance | 0.005 mass% | 0.11 mass% | 3×10^-5 mass% solar abundance | 0.006 mass% | 0.1 mass% | 2×10^-4 mass% meteorite abundance | 0.91 mass% | 22 mass% | 0.018 mass% crust abundance | 8.1 mass% | 6.3 mass% | 0.0078 mass% ocean abundance | 5×10^-7 mass% | 3×10^-7 mass% | 5×10^-7 mass% human abundance | 9×10^-5 mass% | 0.006 mass% | 0.0033 mass% universe molar abundance | 2×10^-4 mol% | 0.002 mol% | 6×10^-7 mol% solar molar abundance | 3×10^-4 mol% | 0.003 mol% | 3×10^-6 mol% meteorite molar abundance | 0.67 mol% | 7.8 mol% | 0.0044 mol% ocean molar abundance | 1.1×10^-7 mol% | 3.3×10^-8 mol% | 4.7×10^-8 mol% crust molar abundance | 6.3 mol% | 2.3 mol% | 0.0025 mol% human molar abundance | 2.1×10^-5 mol% | 6.7×10^-4 mol% | 3.2×10^-4 mol%

| aluminum | iron | zinc half-life | (stable) | (stable) | (stable) stable isotopes | Al-27 (100%) | Fe-56 (91.754%) | Fe-54 (5.845%) | Fe-57 (2.119%) | Fe-58 (0.282%) | Zn-64 (48.63%) | Zn-66 (27.9%) | Zn-68 (18.75%) | Zn-67 (4.1%) | Zn-70 (0.62%) nuclear spin | 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^+ | Fe-45: 3/2^+ | Fe-46: 0^+ | Fe-47: 7/2^- | Fe-48: 0^+ | Fe-49: 7/2^- | Fe-50: 0^+ | Fe-51: 5/2^- | Fe-52: 0^+ | Fe-53: 7/2^- | Fe-54: 0^+ | Fe-55: 3/2^- | Fe-56: 0^+ | Fe-57: 1/2^- | Fe-58: 0^+ | Fe-59: 3/2^- | Fe-60: 0^+ | Fe-62: 0^+ | Fe-63: 5/2^- | Fe-64: 0^+ | Fe-65: 1/2^- | Fe-66: 0^+ | Fe-67: 5/2^+ | Fe-68: 0^+ | Fe-69: 1/2^- | Fe-70: 0^+ | Fe-71: 7/2^+ | Fe-72: 0^+ | Zn-54: 0^+ | Zn-55: 5/2^- | Zn-56: 0^+ | Zn-57: 7/2^- | Zn-58: 0^+ | Zn-59: 3/2^- | Zn-60: 0^+ | Zn-61: 3/2^- | Zn-62: 0^+ | Zn-63: 3/2^- | Zn-64: 0^+ | Zn-65: 5/2^- | Zn-66: 0^+ | Zn-67: 5/2^- | Zn-68: 0^+ | Zn-69: 1/2^- | Zn-70: 0^+ | Zn-71: 1/2^- | Zn-72: 0^+ | Zn-73: 1/2^- | Zn-74: 0^+ | Zn-75: 7/2^+ | Zn-76: 0^+ | Zn-77: 7/2^+ | Zn-78: 0^+ | Zn-79: 9/2^+ | Zn-80: 0^+ | Zn-81: 5/2^+ | Zn-82: 0^+ | Zn-83: 5/2^+ unstable isotopes | 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) | Fe-60 (2.6 Myr) | Fe-55 (2.737 yr) | Fe-59 (44.495 days) | Fe-52 (8.275 h) | Fe-53 (8.52 min) | Fe-61 (5.98 min) | Fe-62 (68 s) | Fe-63 (6.1 s) | Fe-64 (2 s) | Fe-65 (1.3 s) | Fe-67 (600 ms) | Fe-66 (440 ms) | Fe-51 (305 ms) | Fe-68 (187 ms) | Fe-50 (155 ms) | Fe-69 (109 ms) | Fe-70 (94 ms) | Fe-49 (64.7 ms) | Fe-48 (44 ms) | Fe-47 (21.8 ms) | Fe-46 (12 ms) | Fe-45 (1.89 ms) | Fe-72 (150 ns) | Fe-71 (150 ns) | Zn-65 (243.66 days) | Zn-72 (46.4 h) | Zn-62 (9.1861 h) | Zn-69 (56.33 min) | Zn-63 (38.47 min) | Zn-71 (147 s) | Zn-60 (143 s) | Zn-74 (95.6 s) | Zn-61 (89.1 s) | Zn-73 (23.5 s) | Zn-75 (10.2 s) | Zn-76 (5.7 s) | Zn-77 (2.08 s) | Zn-78 (1.47 s) | Zn-79 (0.995 s) | Zn-80 (540 ms) | Zn-81 (290 ms) | Zn-59 (182 ms) | Zn-58 (84 ms) | Zn-57 (38 ms) | Zn-55 (20 ms) | Zn-56 (500 ns) | Zn-83 (150 ns) | Zn-82 (150 ns) neutron cross-section | 0.233 b | 2.56 b | 1.1 b neutron mass absorption | 0.03 m^2/kg | 0.0015 m^2/kg | 5.5×10^-4 m^2/kg

| aluminum | iron | zinc CAS number | 7429-90-5 | 7439-89-6 | 7440-66-6 PubChem CID number | 5359268 | 23925 | 23994