5e4a32936d
- Upgraded CSV to v2: added PhaseDensity, Stability, IsotopeNote columns - Added parameter glossary mapping lattice params to quantum numbers - Updated correlation doc with Navigator corrections (Gold, Tc, Pm) - Phi-harmonic asymmetry scaling, phase density model for isotopes - .gitignore exception for docs/lattice-periodic-table.csv
13 KiB
13 KiB
| 1 | AtomicNumber | Element | Symbol | HarmonicMode | NodeCount | PhaseDensity | AsymmetryBand | AsymmetryValue | ValencyLobes | Group | Period | Stability | LatticeDescription | IsotopeNote |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2 | 1 | Hydrogen | H | 1 | 1 | Baseline | Ground | 13.2 | 1 | 1 | 1 | Stable | Single node fundamental frequency one lobe | Protium stable; Deuterium/Tritium higher phase density |
| 3 | 2 | Helium | He | 2 | 2 | Baseline | Ground | 13.2 | 0 | 18 | 1 | Stable | Closed loop first harmonic no external lobes | He-4 most stable; He-3 lower phase density |
| 4 | 3 | Lithium | Li | 3 | 3 | Baseline | Ground-Primary | 13.6 | 1 | 1 | 2 | Stable | First excited state one lobe available | Li-7 stable; Li-6 metastable |
| 5 | 4 | Beryllium | Be | 4 | 4 | Baseline | Primary | 14 | 2 | 2 | 2 | Stable | Second harmonic two lobes | Be-9 stable; Be-8 decays immediately |
| 6 | 5 | Boron | B | 5 | 5 | Baseline | Primary | 14.1 | 3 | 13 | 2 | Stable | Third harmonic three lobes | B-11 stable; B-10 metastable |
| 7 | 6 | Carbon | C | 6 | 6 | Baseline | Primary | 14.1 | 4 | 14 | 2 | Stable | Fourth harmonic tetrahedral symmetry | C-12 stable; C-14 radioactive (excess phase) |
| 8 | 7 | Nitrogen | N | 7 | 7 | Baseline | Primary | 14.1 | 3 | 15 | 2 | Stable | Fifth harmonic pyramidal symmetry | N-14 stable; N-15 higher phase density |
| 9 | 8 | Oxygen | O | 8 | 8 | Baseline | Primary | 14.2 | 2 | 16 | 2 | Stable | Sixth harmonic octahedral symmetry | O-16 most stable; O-18 higher phase |
| 10 | 9 | Fluorine | F | 9 | 9 | Baseline | Primary | 14.2 | 1 | 17 | 2 | Stable | Seventh harmonic one lobe | F-19 only stable isotope |
| 11 | 10 | Neon | Ne | 10 | 10 | Baseline | Primary | 14.2 | 0 | 18 | 2 | Stable | Eighth harmonic closed shell | Ne-20 most stable; Ne-22 higher phase |
| 12 | 11 | Sodium | Na | 11 | 11 | Baseline | Primary-Secondary | 14.4 | 1 | 1 | 3 | Stable | New harmonic tier one lobe | Na-23 only stable isotope |
| 13 | 12 | Magnesium | Mg | 12 | 12 | Baseline | Secondary | 14.6 | 2 | 2 | 3 | Stable | Two lobes available | Mg-24 most stable; Mg-26 higher phase |
| 14 | 13 | Aluminum | Al | 13 | 13 | Baseline | Secondary | 14.7 | 3 | 13 | 3 | Stable | Three lobes | Al-27 only stable isotope |
| 15 | 14 | Silicon | Si | 14 | 14 | Baseline | Secondary | 14.7 | 4 | 14 | 3 | Stable | Tetrahedral semiconductor | Si-28 most stable |
| 16 | 15 | Phosphorus | P | 15 | 15 | Baseline | Secondary | 14.7 | 3 | 15 | 3 | Stable | Variable lobes | P-31 only stable isotope |
| 17 | 16 | Sulfur | S | 16 | 16 | Baseline | Secondary | 14.8 | 2 | 16 | 3 | Stable | Variable lobes | S-32 most stable |
| 18 | 17 | Chlorine | Cl | 17 | 17 | Baseline | Secondary | 14.8 | 1 | 17 | 3 | Stable | Variable lobes | Cl-35 and Cl-37 both stable |
| 19 | 18 | Argon | Ar | 18 | 18 | Baseline | Secondary | 14.8 | 0 | 18 | 3 | Stable | Closed shell inert | Ar-40 most stable |
| 20 | 19 | Potassium | K | 19 | 19 | Baseline | Secondary-PhaseGap | 14.9 | 1 | 1 | 4 | Stable | Transition region | K-39 most stable; K-40 radioactive |
| 21 | 20 | Calcium | Ca | 20 | 20 | Baseline | Secondary-PhaseGap | 14.9 | 2 | 2 | 4 | Stable | Transition region | Ca-40 most stable |
| 22 | 21 | Scandium | Sc | 21 | 21 | Baseline | Secondary-PhaseGap | 15 | 3 | 3 | 4 | Stable | Transition metal d-orbital | Sc-45 only stable isotope |
| 23 | 22 | Titanium | Ti | 22 | 22 | Baseline | Secondary-PhaseGap | 15 | 4 | 4 | 4 | Stable | Transition metal d-orbital | Ti-48 most stable |
| 24 | 23 | Vanadium | V | 23 | 23 | Baseline | Secondary-PhaseGap | 15 | 5 | 5 | 4 | Stable | Transition metal d-orbital | V-51 only stable isotope |
| 25 | 24 | Chromium | Cr | 24 | 24 | Baseline | Secondary-PhaseGap | 15.1 | 6 | 6 | 4 | Stable | Transition metal d-orbital | Cr-52 most stable |
| 26 | 25 | Manganese | Mn | 25 | 25 | Baseline | Secondary-PhaseGap | 15.1 | 7 | 7 | 4 | Stable | Transition metal d-orbital | Mn-55 only stable isotope |
| 27 | 26 | Iron | Fe | 26 | 26 | Baseline | Secondary-PhaseGap | 15.1 | 6 | 8 | 4 | Stable | Multi-layered wave structure | Fe-56 most stable |
| 28 | 27 | Cobalt | Co | 27 | 27 | Baseline | Secondary-PhaseGap | 15.2 | 5 | 9 | 4 | Stable | Transition metal d-orbital | Co-59 only stable isotope |
| 29 | 28 | Nickel | Ni | 28 | 28 | Baseline | Secondary-PhaseGap | 15.2 | 4 | 10 | 4 | Stable | Transition metal d-orbital | Ni-58 most stable |
| 30 | 29 | Copper | Cu | 29 | 29 | Baseline | Secondary-PhaseGap | 15.2 | 2 | 11 | 4 | Stable | Transition metal d-orbital | Cu-63 and Cu-65 both stable |
| 31 | 30 | Zinc | Zn | 30 | 30 | Baseline | Secondary-PhaseGap | 15.3 | 2 | 12 | 4 | Stable | Transition metal d-orbital | Zn-64 most stable |
| 32 | 31 | Gallium | Ga | 31 | 31 | Baseline | Secondary-PhaseGap | 15.3 | 3 | 13 | 4 | Stable | Post-transition | Ga-69 and Ga-71 both stable |
| 33 | 32 | Germanium | Ge | 32 | 32 | Baseline | Secondary-PhaseGap | 15.3 | 4 | 14 | 4 | Stable | Metalloid | Ge-74 most stable |
| 34 | 33 | Arsenic | As | 33 | 33 | Baseline | Secondary-PhaseGap | 15.4 | 3 | 15 | 4 | Stable | Metalloid | As-75 only stable isotope |
| 35 | 34 | Selenium | Se | 34 | 34 | Baseline | Secondary-PhaseGap | 15.4 | 2 | 16 | 4 | Stable | Nonmetal | Se-80 most stable |
| 36 | 35 | Bromine | Br | 35 | 35 | Baseline | Secondary-PhaseGap | 15.4 | 1 | 17 | 4 | Stable | Halogen | Br-79 and Br-81 both stable |
| 37 | 36 | Krypton | Kr | 36 | 36 | Baseline | Secondary-PhaseGap | 15.5 | 0 | 18 | 4 | Stable | Noble gas | Kr-84 most stable |
| 38 | 37 | Rubidium | Rb | 37 | 37 | Baseline | PhaseGap-Approach | 15.5 | 1 | 1 | 5 | Stable | Approaching critical threshold | Rb-85 most stable |
| 39 | 38 | Strontium | Sr | 38 | 38 | Baseline | PhaseGap-Approach | 15.5 | 2 | 2 | 5 | Stable | Approaching critical threshold | Sr-88 most stable |
| 40 | 39 | Yttrium | Y | 39 | 39 | Baseline | PhaseGap-Approach | 15.6 | 3 | 3 | 5 | Stable | Transition metal | Y-89 only stable isotope |
| 41 | 40 | Zirconium | Zr | 40 | 40 | Baseline | PhaseGap-Approach | 15.6 | 4 | 4 | 5 | Stable | Transition metal | Zr-90 most stable |
| 42 | 41 | Niobium | Nb | 41 | 41 | Baseline | PhaseGap-Approach | 15.6 | 5 | 5 | 5 | Stable | Transition metal | Nb-93 only stable isotope |
| 43 | 42 | Molybdenum | Mo | 42 | 42 | Baseline | PhaseGap-Approach | 15.6 | 6 | 6 | 5 | Stable | Transition metal | Mo-98 most stable |
| 44 | 43 | Technetium | Tc | 43 | 43 | Metastable | PhaseGap-Approach | 15.7 | 7 | 7 | 5 | Radioactive | Transient mode - cannot sustain equilibrium | Tc-97 and Tc-99 metastable; no stable isotope |
| 45 | 44 | Ruthenium | Ru | 44 | 44 | Baseline | PhaseGap-Approach | 15.7 | 8 | 8 | 5 | Stable | Transition metal | Ru-102 most stable |
| 46 | 45 | Rhodium | Rh | 45 | 45 | Baseline | PhaseGap-Approach | 15.7 | 6 | 9 | 5 | Stable | Transition metal | Rh-103 only stable isotope |
| 47 | 46 | Palladium | Pd | 46 | 46 | Baseline | PhaseGap-Approach | 15.7 | 4 | 10 | 5 | Stable | Transition metal | Pd-106 most stable |
| 48 | 47 | Silver | Ag | 47 | 47 | Baseline | PhaseGap-Approach | 15.7 | 1 | 11 | 5 | Stable | Transition metal | Ag-107 and Ag-109 both stable |
| 49 | 48 | Cadmium | Cd | 48 | 48 | Baseline | PhaseGap-Approach | 15.7 | 2 | 12 | 5 | Stable | Transition metal | Cd-114 most stable |
| 50 | 49 | Indium | In | 49 | 49 | Baseline | PhaseGap-Approach | 15.7 | 3 | 13 | 5 | Stable | Post-transition | In-113 most stable |
| 51 | 50 | Tin | Sn | 50 | 50 | Baseline | PhaseGap-Approach | 15.8 | 4 | 14 | 5 | Stable | Post-transition | Sn-120 most stable |
| 52 | 51 | Antimony | Sb | 51 | 51 | Baseline | PhaseGap-Approach | 15.8 | 3 | 15 | 5 | Stable | Metalloid | Sb-121 most stable |
| 53 | 52 | Tellurium | Te | 52 | 52 | Baseline | PhaseGap-Approach | 15.8 | 2 | 16 | 5 | Stable | Metalloid | Te-130 most stable |
| 54 | 53 | Iodine | I | 53 | 53 | Baseline | PhaseGap-Approach | 15.8 | 1 | 17 | 5 | Stable | Halogen | I-127 only stable isotope |
| 55 | 54 | Xenon | Xe | 54 | 54 | Baseline | PhaseGap-Center | 15.8 | 0 | 18 | 5 | Stable | Noble gas at phase gap center | Xe-132 most stable |
| 56 | 55 | Cesium | Cs | 55 | 55 | Baseline | PhaseGap-Center | 15.8 | 1 | 1 | 6 | Stable | Near critical threshold | Cs-133 only stable isotope |
| 57 | 56 | Barium | Ba | 56 | 56 | Baseline | PhaseGap-Center | 15.8 | 2 | 2 | 6 | Stable | Near critical threshold | Ba-138 most stable |
| 58 | 57 | Lanthanum | La | 57 | 57 | Baseline | PhaseGap-Center | 15.8 | 3 | 3 | 6 | Stable | Lanthanide series begins | La-139 only stable isotope |
| 59 | 58 | Cerium | Ce | 58 | 58 | Baseline | PhaseGap-Center | 15.8 | 4 | 3 | 6 | Stable | Lanthanide f-orbital | Ce-140 most stable |
| 60 | 59 | Praseodymium | Pr | 59 | 59 | Baseline | PhaseGap-Center | 15.8 | 4 | 3 | 6 | Stable | Lanthanide f-orbital | Pr-141 only stable isotope |
| 61 | 60 | Neodymium | Nd | 60 | 60 | Baseline | PhaseGap-Center | 15.8 | 3 | 3 | 6 | Stable | Lanthanide f-orbital | Nd-142 most stable |
| 62 | 61 | Promethium | Pm | 61 | 61 | Metastable | PhaseGap-Center | 15.8 | 3 | 3 | 6 | Radioactive | Transient mode - metastable wave | Pm-145 longest-lived; no stable isotope |
| 63 | 62 | Samarium | Sm | 62 | 62 | Baseline | PhaseGap-Center | 15.8 | 3 | 3 | 6 | Stable | Lanthanide f-orbital | Sm-152 most stable |
| 64 | 63 | Europium | Eu | 63 | 63 | Baseline | PhaseGap-Center | 15.8 | 3 | 3 | 6 | Stable | Lanthanide f-orbital | Eu-153 most stable |
| 65 | 64 | Gadolinium | Gd | 64 | 64 | Baseline | PhaseGap-Center | 15.8 | 3 | 3 | 6 | Stable | Lanthanide f-orbital | Gd-158 most stable |
| 66 | 65 | Terbium | Tb | 65 | 65 | Baseline | PhaseGap-Center | 15.8 | 4 | 3 | 6 | Stable | Lanthanide f-orbital | Tb-159 only stable isotope |
| 67 | 66 | Dysprosium | Dy | 66 | 66 | Baseline | PhaseGap-Center | 15.8 | 3 | 3 | 6 | Stable | Lanthanide f-orbital | Dy-164 most stable |
| 68 | 67 | Holmium | Ho | 67 | 67 | Baseline | PhaseGap-Center | 15.8 | 3 | 3 | 6 | Stable | Lanthanide f-orbital | Ho-165 only stable isotope |
| 69 | 68 | Erbium | Er | 68 | 68 | Baseline | PhaseGap-Center | 15.8 | 3 | 3 | 6 | Stable | Lanthanide f-orbital | Er-166 most stable |
| 70 | 69 | Thulium | Tm | 69 | 69 | Baseline | PhaseGap-Center | 15.8 | 3 | 3 | 6 | Stable | Lanthanide f-orbital | Tm-169 only stable isotope |
| 71 | 70 | Ytterbium | Yb | 70 | 70 | Baseline | PhaseGap-Center | 15.8 | 3 | 3 | 6 | Stable | Lanthanide f-orbital | Yb-174 most stable |
| 72 | 71 | Lutetium | Lu | 71 | 71 | Baseline | PhaseGap-Center | 15.8 | 3 | 3 | 6 | Stable | Lanthanide f-orbital | Lu-175 most stable |
| 73 | 72 | Hafnium | Hf | 72 | 72 | Baseline | PhaseGap-Center | 15.8 | 4 | 4 | 6 | Stable | Transition metal | Hf-180 most stable |
| 74 | 73 | Tantalum | Ta | 73 | 73 | Baseline | PhaseGap-Center | 15.8 | 5 | 5 | 6 | Stable | Transition metal | Ta-181 only stable isotope |
| 75 | 74 | Tungsten | W | 74 | 74 | Baseline | PhaseGap-Center | 15.8 | 6 | 6 | 6 | Stable | Transition metal | W-184 most stable |
| 76 | 75 | Rhenium | Re | 75 | 75 | Baseline | PhaseGap-Center | 15.8 | 7 | 7 | 6 | Stable | Transition metal | Re-185 most stable |
| 77 | 76 | Osmium | Os | 76 | 76 | Baseline | PhaseGap-Center | 15.8 | 8 | 8 | 6 | Stable | Transition metal | Os-192 most stable |
| 78 | 77 | Iridium | Ir | 77 | 77 | Baseline | PhaseGap-Center | 15.8 | 6 | 9 | 6 | Stable | Transition metal | Ir-191 and Ir-193 both stable |
| 79 | 78 | Platinum | Pt | 78 | 78 | Baseline | PhaseGap-Center | 15.8 | 4 | 10 | 6 | Stable | Transition metal | Pt-195 most stable |
| 80 | 79 | Gold | Au | 79 | 79 | HighOrder | PhaseGap-Center | 15.8 | 1 | 11 | 6 | Stable | High-order resonance lock - maximum density without decay | Au-197 only stable isotope |
| 81 | 80 | Mercury | Hg | 80 | 80 | Baseline | PhaseGap-Center | 15.8 | 2 | 12 | 6 | Stable | Transition metal liquid at STP | Hg-202 most stable |
| 82 | 81 | Thallium | Tl | 81 | 81 | Baseline | PhaseGap-Center | 15.8 | 3 | 13 | 6 | Stable | Post-transition | Tl-205 most stable |
| 83 | 82 | Lead | Pb | 82 | 82 | Baseline | PhaseGap-Center | 15.8 | 4 | 14 | 6 | Stable | Post-transition | Pb-208 most stable |
| 84 | 83 | Bismuth | Bi | 83 | 83 | Baseline | PhaseGap-Center | 15.8 | 5 | 15 | 6 | Stable | Post-transition | Bi-209 most stable |
| 85 | 84 | Polonium | Po | 84 | 84 | Metastable | PhaseGap-Center | 15.8 | 6 | 16 | 6 | Radioactive | Metalloid - excess phase density | Po-209 longest-lived |
| 86 | 85 | Astatine | At | 85 | 85 | Metastable | PhaseGap-Center | 15.8 | 7 | 17 | 6 | Radioactive | Halogen - metastable | At-210 longest-lived |
| 87 | 86 | Radon | Rn | 86 | 86 | Metastable | PhaseGap-Center | 15.8 | 0 | 18 | 6 | Radioactive | Noble gas - metastable | Rn-222 longest-lived |
| 88 | 87 | Francium | Fr | 87 | 87 | Metastable | PhaseGap-Tertiary | 15.9 | 1 | 1 | 7 | Radioactive | Highly radioactive alkali metal | Fr-223 longest-lived |
| 89 | 88 | Radium | Ra | 88 | 88 | Metastable | PhaseGap-Tertiary | 15.9 | 2 | 2 | 7 | Radioactive | Highly radioactive alkaline earth | Ra-226 longest-lived |
| 90 | 89 | Actinium | Ac | 89 | 89 | Metastable | PhaseGap-Tertiary | 15.9 | 3 | 3 | 7 | Radioactive | Actinide series begins | Ac-227 longest-lived |
| 91 | 90 | Thorium | Th | 90 | 90 | Baseline | PhaseGap-Tertiary | 15.9 | 4 | 3 | 7 | Stable | Actinide f-orbital | Th-232 only stable isotope |
| 92 | 91 | Protactinium | Pa | 91 | 91 | Metastable | PhaseGap-Tertiary | 15.9 | 5 | 3 | 7 | Radioactive | Actinide f-orbital | Pa-231 longest-lived |
| 93 | 92 | Uranium | U | 92 | 92 | Baseline | PhaseGap-Tertiary | 15.9 | 6 | 3 | 7 | Stable | Actinide f-orbital | U-238 most stable |
| 94 | 93 | Neptunium | Np | 93 | 93 | Metastable | PhaseGap-Tertiary | 16 | 7 | 3 | 7 | Radioactive | Actinide f-orbital synthetic | Np-237 longest-lived |
| 95 | 94 | Plutonium | Pu | 94 | 94 | Metastable | PhaseGap-Tertiary | 16 | 8 | 3 | 7 | Radioactive | Actinide f-orbital synthetic | Pu-244 longest-lived |
| 96 | 95 | Americium | Am | 95 | 95 | Metastable | Tertiary | 16 | 6 | 3 | 7 | Radioactive | Synthetic radioactive | Am-243 longest-lived |
| 97 | 96 | Curium | Cm | 96 | 96 | Metastable | Tertiary | 16 | 6 | 3 | 7 | Radioactive | Synthetic radioactive | Cm-247 longest-lived |
| 98 | 97 | Berkelium | Bk | 97 | 97 | Metastable | Tertiary | 16 | 6 | 3 | 7 | Radioactive | Synthetic radioactive | Bk-247 longest-lived |
| 99 | 98 | Californium | Cf | 98 | 98 | Metastable | Tertiary | 16 | 6 | 3 | 7 | Radioactive | Synthetic radioactive | Cf-251 longest-lived |
| 100 | 99 | Einsteinium | Es | 99 | 99 | Metastable | Tertiary | 16 | 6 | 3 | 7 | Radioactive | Synthetic radioactive | Es-252 longest-lived |
| 101 | 100 | Fermium | Fm | 100 | 100 | Metastable | Tertiary | 16 | 6 | 3 | 7 | Radioactive | Synthetic radioactive | Fm-257 longest-lived |
| 102 | 101 | Mendelevium | Md | 101 | 101 | Metastable | Tertiary | 16 | 6 | 3 | 7 | Radioactive | Synthetic radioactive | Md-258 longest-lived |
| 103 | 102 | Nobelium | No | 102 | 102 | Metastable | Tertiary | 16 | 6 | 3 | 7 | Radioactive | Synthetic radioactive | No-259 longest-lived |
| 104 | 103 | Lawrencium | Lr | 103 | 103 | Metastable | Tertiary | 16 | 6 | 3 | 7 | Radioactive | Synthetic radioactive | Lr-262 longest-lived |
| 105 | 104 | Rutherfordium | Rf | 104 | 104 | Metastable | Tertiary | 16 | 4 | 4 | 7 | Radioactive | Synthetic superheavy | Rf-267 longest-lived |
| 106 | 105 | Dubnium | Db | 105 | 105 | Metastable | Tertiary | 16 | 5 | 5 | 7 | Radioactive | Synthetic superheavy | Db-268 longest-lived |
| 107 | 106 | Seaborgium | Sg | 106 | 106 | Metastable | Tertiary | 16 | 6 | 6 | 7 | Radioactive | Synthetic superheavy | Sg-269 longest-lived |
| 108 | 107 | Bohrium | Bh | 107 | 107 | Metastable | Tertiary | 16 | 7 | 7 | 7 | Radioactive | Synthetic superheavy | Bh-270 longest-lived |
| 109 | 108 | Hassium | Hs | 108 | 108 | Metastable | Tertiary | 16 | 8 | 8 | 7 | Radioactive | Synthetic superheavy | Hs-269 longest-lived |
| 110 | 109 | Meitnerium | Mt | 109 | 109 | Metastable | Tertiary | 16.1 | 6 | 9 | 7 | Radioactive | Synthetic superheavy | Mt-278 longest-lived |
| 111 | 110 | Darmstadtium | Ds | 110 | 110 | Metastable | Tertiary | 16.1 | 6 | 10 | 7 | Radioactive | Synthetic superheavy | Ds-281 longest-lived |
| 112 | 111 | Roentgenium | Rg | 111 | 111 | Metastable | Tertiary | 16.1 | 5 | 11 | 7 | Radioactive | Synthetic superheavy | Rg-282 longest-lived |
| 113 | 112 | Copernicium | Cn | 112 | 112 | Metastable | Tertiary | 16.1 | 2 | 12 | 7 | Radioactive | Synthetic superheavy | Cn-285 longest-lived |
| 114 | 113 | Nihonium | Nh | 113 | 113 | Metastable | Tertiary | 16.1 | 3 | 13 | 7 | Radioactive | Synthetic superheavy | Nh-286 longest-lived |
| 115 | 114 | Flerovium | Fl | 114 | 114 | Metastable | Tertiary | 16.1 | 4 | 14 | 7 | Radioactive | Synthetic superheavy | Fl-289 longest-lived |
| 116 | 115 | Moscovium | Mc | 115 | 115 | Metastable | Tertiary | 16.1 | 5 | 15 | 7 | Radioactive | Synthetic superheavy | Mc-290 longest-lived |
| 117 | 116 | Livermorium | Lv | 116 | 116 | Metastable | Tertiary | 16.1 | 6 | 16 | 7 | Radioactive | Synthetic superheavy | Lv-293 longest-lived |
| 118 | 117 | Tennessine | Ts | 117 | 117 | Metastable | Tertiary | 16.1 | 7 | 17 | 7 | Radioactive | Synthetic superheavy | Ts-294 longest-lived |
| 119 | 118 | Oganesson | Og | 118 | 118 | Metastable | Tertiary | 16.2 | 0 | 18 | 7 | Radioactive | Noble gas at edge of stability | Og-294 longest-lived |