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Half Life of the elements

Text lists sorted by:	Value \| Atomic Number \| Alphabetical
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Ununoctium	5 ms	Lithium	Stable	Ruthenium	Stable
Ununseptium	50 ms	Beryllium	Stable	Rhodium	Stable
Ununhexium	120 ms	Boron	Stable	Palladium	Stable
Ununpentium	1 m	Carbon	Stable	Silver	Stable
Ununquadium	1.33 m	Nitrogen	Stable	Cadmium	Stable
Darmstadtium	4 m	Oxygen	Stable	Indium	Stable
Roentgenium	10 m	Fluorine	Stable	Tin	Stable
Ununtrium	20 m	Neon	Stable	Antimony	Stable
Francium	21.7 m	Sodium	Stable	Tellurium	Stable
Meitnerium	30 m	Magnesium	Stable	Iodine	Stable
Ununbium	40 m	Aluminum	Stable	Xenon	Stable
Hassium	1.11 h	Silicon	Stable	Cesium	Stable
Bohrium	1.5 h	Phosphorus	Stable	Barium	Stable
Seaborgium	1.94 h	Sulfur	Stable	Lanthanum	Stable
Nobelium	2.78 h	Chlorine	Stable	Cerium	Stable
Dubnium	5.56 h	Argon	Stable	Praseodymium	Stable
Astatine	8.06 h	Potassium	Stable	Neodymium	Stable
Lawrencium	10 h	Calcium	Stable	Samarium	Stable
Rutherfordium	13.1 h	Scandium	Stable	Europium	Stable
Radon	3.823495 d	Titanium	Stable	Gadolinium	Stable
Mendelevium	51.5 d	Vanadium	Stable	Terbium	Stable
Fermium	100.5 d	Chromium	Stable	Dysprosium	Stable
Einsteinium	1.2922 y	Manganese	Stable	Holmium	Stable
Promethium	17.73 y	Iron	Stable	Erbium	Stable
Actinium	21.7865 y	Cobalt	Stable	Thulium	Stable
Polonium	102.1 y	Nickel	Stable	Ytterbium	Stable
Californium	900.6 y	Copper	Stable	Lutetium	Stable
Berkelium	1379 y	Zinc	Stable	Hafnium	Stable
Radium	1.59×10³ y	Gallium	Stable	Tantalum	Stable
Americium	7388 y	Germanium	Stable	Tungsten	Stable
Protactinium	32788 y	Arsenic	Stable	Rhenium	Stable
Neptunium	2.1455×10⁶ y	Selenium	Stable	Osmium	Stable
Technetium	4.12×10⁶ y	Bromine	Stable	Iridium	Stable
Curium	1.56×10⁷ y	Krypton	Stable	Platinum	Stable
Plutonium	7.93×10⁷ y	Rubidium	Stable	Gold	Stable
Uranium	4.471×10⁹ y	Strontium	Stable	Mercury	Stable
Thorium	1.406×10¹⁰ y	Yttrium	Stable	Thallium	Stable
Bismuth	1.9×10¹⁹ y	Zirconium	Stable	Lead	Stable
Hydrogen	Stable	Niobium	Stable
Helium	Stable	Molybdenum	Stable

Up to date, curated data provided by Mathematica's ElementData function from Wolfram Research, Inc.

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Absolute Boiling Point	Isotope Abundances
Absolute Melting Point	Known Isotopes
Abundance in Earth's Crust	Lattice Angles
Abundance in Humans	Lattice Constants
Abundance in Meteorites	Lifetime
Abundance in the Ocean	Liquid Density
Abundance in the Sun	Magnetic Type
Abundance in the Universe	Mass Magnetic Susceptibility
Adiabatic Index	Melting Point
Allotrope Names	Memberships
Alternate Names	Mohs Hardness
Atomic Number	Molar Magnetic Susceptibility
Atomic Radius	Molar Volume
Atomic Weight	Name
Autoignition Point	Neel Point
Block	Neutron Cross Section
Boiling Point	Neutron Mass Absorption
Brinell Hardness	NFPA Fire Rating
Bulk Modulus	NFPA Hazards
CAS Number	NFPA Health Rating
CID Number	NFPA Label
Color	NFPA Reactivity Rating
Covalent Radius	NSC Number
Critical Pressure	Period
Critical Temperature	Phase
Crystal Structure	Poisson Ratio
Curie Point	Quantum Numbers
Decay Mode	Radioactive
Density	Refractive Index
Discovery Year	Resistivity
DOT Hazard Class	RTECS Classes
DOT Numbers	RTECS Number
Electrical Conductivity	Shear Modulus
Electrical Type	Space Group Name
Electron Affinity	Space Group Number
Electron Configuration	Specific Heat
Electronegativity	Speed of Sound
EU Number	Stable Isotopes
Flash Point	Superconducting Point
Gas Atomic Multiplicities	Symbol
Gmelin Number	Thermal Conductivity
Group	Thermal Expansion
Half Life	Valence
Heat of Combustion	Van Der Waals Radius
Heat of Fusion	Vickers Hardness
Heat of Vaporization	Volume Magnetic Susceptibility
Ionization Energies	Young Modulus