americium 239 | has symbol 239Am | ![2001-09-27 09:28:39.0 2001-09-27 09:28:39.0](facet.gif) |
has nuclear spin I = 5/2- | ![2001-09-27 09:28:39.0 2001-09-27 09:28:39.0](facet.gif) |
has decay mode EC (0.800 MeV) 99.99% | ![2001-09-27 09:28:39.0 2001-09-27 09:28:39.0](facet.gif) |
has decay mode α (5.924 Mev) 0.01% | ![2001-09-27 09:28:39.0 2001-09-27 09:28:39.0](facet.gif) |
has decay mode γ | ![2001-09-27 09:28:39.0 2001-09-27 09:28:39.0](facet.gif) |
has half life 11.9 hours | ![2001-09-27 09:28:39.0 2001-09-27 09:28:39.0](facet.gif) |
has number of nucleons 239 | ![2001-09-27 09:28:39.0 2001-09-27 09:28:39.0](facet.gif) |
has number of neutrons 144 | ![2001-09-27 09:28:39.0 2001-09-27 09:28:39.0](facet.gif) |
has atomic mass 239.053016 | ![2001-09-27 09:28:39.0 2001-09-27 09:28:39.0](facet.gif) |
is an instance of americium | ![has URL: http://nucleardata.nuclear.lu.se/nucleardata/toi/nuclide.asp?iZA=950239, 2001-09-27 09:28:39.0 has URL: http://nucleardata.nuclear.lu.se/nucleardata/toi/nuclide.asp?iZA=950239, 2001-09-27 09:28:39.0](facet.gif) |
americium | has phase changed temperature 1347 K at α to β phase crystal transition | ![2001-09-27 09:28:38.0 2001-09-27 09:28:38.0](facet.gif) |
has mineral none | ![2001-09-27 09:28:38.0 2001-09-27 09:28:38.0](facet.gif) |
has neutron scattering length 0.83 in 10-12 cm units | ![2001-09-27 09:28:38.0 2001-09-27 09:28:38.0](facet.gif) |
has mass magnetic susceptibility +5 × 10-8 kg-1 m3 | ![2001-09-27 09:28:38.0 2001-09-27 09:28:38.0](facet.gif) |
has electrical resistivity 68 × 10-8 Ω m | ![2001-09-27 09:28:38.0 2001-09-27 09:28:38.0](facet.gif) |
has thermal neutron capture cross section 75.3 barns | ![2001-09-27 09:28:38.0 2001-09-27 09:28:38.0](facet.gif) |
has longest lived isotope americium 243 | ![2001-09-27 09:28:38.0 2001-09-27 09:28:38.0](facet.gif) |
has isotope mass range 227 to 247 | ![2001-09-27 09:28:38.0 2001-09-27 09:28:38.0](facet.gif) |
has number of isotopes 23 including nuclear isomers | ![2001-09-27 09:28:38.0 2001-09-27 09:28:38.0](facet.gif) |
has pronunciation amer-is-iuhm | ![2001-09-27 09:28:38.0 2001-09-27 09:28:38.0](facet.gif) |
has name origin america from English | ![2001-09-27 09:28:38.0 2001-09-27 09:28:38.0](facet.gif) |
has discovery location Chicago, Illinois, US | ![2001-09-27 09:28:38.0 2001-09-27 09:28:38.0](facet.gif) |
has abundance nil in Earth's crust | ![2001-09-27 09:28:38.0 2001-09-27 09:28:38.0](facet.gif) |
has abundance nil in seawater | ![2001-09-27 09:28:38.0 2001-09-27 09:28:38.0](facet.gif) |
has world production probably a few kilograms per year | ![2001-09-27 09:28:38.0 2001-09-27 09:28:38.0](facet.gif) |
has space group P63/mmc for α phase | ![2001-09-27 09:28:38.0 2001-09-27 09:28:38.0](facet.gif) |
has space group Fm3m for β phase | ![2001-09-27 09:28:38.0 2001-09-27 09:28:38.0](facet.gif) |
has crystal cell dimension a = 346.80 pm for α phase | ![2001-09-27 09:28:38.0 2001-09-27 09:28:38.0](facet.gif) |
has crystal cell dimension a = 489.4 pm for β phase | ![2001-09-27 09:28:38.0 2001-09-27 09:28:38.0](facet.gif) |
has crystal type h.c.p. for α phase | ![2001-09-27 09:28:38.0 2001-09-27 09:28:38.0](facet.gif) |
has crystal type f.c.c. for β phase | ![2001-09-27 09:28:38.0 2001-09-27 09:28:38.0](facet.gif) |
has atomic emission line 367.312 nm for Am I | ![2001-09-27 09:28:38.0 2001-09-27 09:28:38.0](facet.gif) |
has atomic emission line 377.750 nm for Am II | ![2001-09-27 09:28:38.0 2001-09-27 09:28:38.0](facet.gif) |
has atomic emission line 392.625 nm for Am II | ![2001-09-27 09:28:38.0 2001-09-27 09:28:38.0](facet.gif) |
has atomic emission line 408.929 nm for Am II | ![2001-09-27 09:28:38.0 2001-09-27 09:28:38.0](facet.gif) |
has atomic emission line 428.926 nm for Am I | ![2001-09-27 09:28:38.0 2001-09-27 09:28:38.0](facet.gif) |
has atomic emission line 450.945 nm for Am II | ![2001-09-27 09:28:38.0 2001-09-27 09:28:38.0](facet.gif) |
has atomic emission line 457.559 nm for Am II | ![2001-09-27 09:28:38.0 2001-09-27 09:28:38.0](facet.gif) |
has atomic emission line 466.279 nm for Am II | ![2001-09-27 09:28:38.0 2001-09-27 09:28:38.0](facet.gif) |
has atomic emission line 605.464 nm for Am I (strong) | ![2001-09-27 09:28:38.0 2001-09-27 09:28:38.0](facet.gif) |
has term symbol 8S7/2 in ground state | ![2001-09-27 09:28:38.0 2001-09-27 09:28:38.0](facet.gif) |
has electron configuration [Rn]5f77s2 in ground state | ![2001-09-27 09:28:38.0 2001-09-27 09:28:38.0](facet.gif) |
has mass of element in person nil for a 70 kg average person | ![2001-09-27 09:28:38.0 2001-09-27 09:28:38.0](facet.gif) |
has daily dietary intake nil | ![2001-09-27 09:28:38.0 2001-09-27 09:28:38.0](facet.gif) |
has level in humans nil | ![2001-09-27 09:28:38.0 2001-09-27 09:28:38.0](facet.gif) |
has hazard intense α-radiation, maximum permissible body burden of 241Am is 0.03 μCi - it targets bone. γ radiation is a problem in gram amounts. | ![2001-09-27 09:28:38.0 2001-09-27 09:28:38.0](facet.gif) |
has biological role none | ![2001-09-27 09:28:38.0 2001-09-27 09:28:38.0](facet.gif) |
has thermal conductivity 10 W m-1 K-1 at 300 K | ![2001-09-27 09:28:38.0 2001-09-27 09:28:38.0](facet.gif) |
has molar volume 17.78 cm3 | ![2001-09-27 09:28:38.0 2001-09-27 09:28:38.0](facet.gif) |
has heat of sublimation 34.2 kJ mol-1 | ![2001-09-27 09:28:38.0 2001-09-27 09:28:38.0](facet.gif) |
has heat of vaporization 284 kJ mol-1 | ![2001-09-27 09:28:38.0 2001-09-27 09:28:38.0](facet.gif) |
has heat of fusion 14.4 kJ mol-1 | ![2001-09-27 09:28:38.0 2001-09-27 09:28:38.0](facet.gif) |
has boiling point 2880 K | ![2001-09-27 09:28:38.0 2001-09-27 09:28:38.0](facet.gif) |
has melting point 1445 K | ![2001-09-27 09:28:38.0 2001-09-27 09:28:38.0](facet.gif) |
has electronegativity 1.3 Pauling | ![2001-09-27 09:28:38.0 2001-09-27 09:28:38.0](facet.gif) |
has relative atomic mass 243.0614 for americium 243 in units of 12C = 12.000 | ![2001-09-27 09:28:37.0 2001-09-27 09:28:37.0](facet.gif) |
has ionic radii 80 pm for Am6+ | ![2001-09-27 09:28:37.0 2001-09-27 09:28:37.0](facet.gif) |
has ionic radii 86 pm for Am5+ | ![2001-09-27 09:28:37.0 2001-09-27 09:28:37.0](facet.gif) |
has ionic radii 92 pm for Am4+ | ![2001-09-27 09:28:37.0 2001-09-27 09:28:37.0](facet.gif) |
has ionic radii 107 pm for Am3+ | ![2001-09-27 09:28:37.0 2001-09-27 09:28:37.0](facet.gif) |
has atomic radii 173 pm | ![2001-09-27 09:28:37.0 2001-09-27 09:28:37.0](facet.gif) |
has number of protons 95 | ![2001-09-27 09:28:38.0 2001-09-27 09:28:38.0](facet.gif) |
has registry number 7440-35-9 for Chemical Abstracts System database | ![has URL: http://info.cas.org, 2001-09-27 09:28:37.0 has URL: http://info.cas.org, 2001-09-27 09:28:37.0](facet.gif) |
has density 13670 kg m-3 for solid at 293 K | ![2001-09-27 09:28:38.0 2001-09-27 09:28:38.0](facet.gif) |
has atomic number 95 | ![2001-09-27 09:28:37.0 2001-09-27 09:28:37.0](facet.gif) |
reacts with air, steam and acids, but not alkalis | ![2001-09-27 09:28:38.0 2001-09-27 09:28:38.0](facet.gif) |
has discovery date 1944 | ![2001-09-27 09:28:38.0 2001-09-27 09:28:38.0](facet.gif) |
has discoverer Glen T. Seaborg, R.A. James, L.O. Morgan, and A. Ghiorso | ![2001-09-27 09:28:38.0 2001-09-27 09:28:38.0](facet.gif) |
has uses source of radiation for γ-radiotherapy | ![2001-09-27 09:28:37.0 2001-09-27 09:28:37.0](facet.gif) |
has image ![](images/element/Am.jpg) | ![2001-09-27 09:28:32.0 2001-09-27 09:28:32.0](facet.gif) |
synthetic element | has lifetime | ![2001-09-27 09:28:31.0 2001-09-27 09:28:31.0](facet.gif) |
has synthesis mechanism | ![2001-09-27 09:28:31.0 2001-09-27 09:28:31.0](facet.gif) |
actinide | has filling orbital 5f | ![2001-09-27 09:28:22.0 2001-09-27 09:28:22.0](facet.gif) |
radioactive particle | has desintegration energy the total energy produced when the particle decays | ![2001-09-27 09:28:02.0 2001-09-27 09:28:02.0](facet.gif) |
has decay products the products produced immediately after decay | ![2001-09-27 09:28:02.0 2001-09-27 09:28:02.0](facet.gif) |
has lifetime The average time in which a particle decays | ![2001-09-27 09:28:02.0 2001-09-27 09:28:02.0](facet.gif) |
element | is a part of Universe | ![2001-09-27 09:32:17.0 2001-09-27 09:32:17.0](facet.gif) |
has synonym atom | ![2001-09-27 09:28:19.0 2001-09-27 09:28:19.0](facet.gif) |
particle | obeys uncertainty principle | ![2001-09-27 09:28:02.0 2001-09-27 09:28:02.0](facet.gif) |
has frequency inversely proportional to the wavelength | ![2001-09-27 09:28:02.0 2001-09-27 09:28:02.0](facet.gif) |
has wavelength inversely proportional to its momentum | ![2001-09-27 09:28:02.0 2001-09-27 09:28:02.0](facet.gif) |
has charge | ![2001-09-27 09:28:01.0 2001-09-27 09:28:01.0](facet.gif) |
has mass | ![2001-09-27 09:28:02.0 2001-09-27 09:28:02.0](facet.gif) |
column grouped element | has group a column number in the table of the elements | ![2001-09-27 09:28:24.0 2001-09-27 09:28:24.0](facet.gif) |
physical object | has location or center of gravity | ![2001-09-27 09:27:27.0 2001-09-27 09:27:27.0](facet.gif) |
has angular momentum | ![2001-09-27 09:27:27.0 2001-09-27 09:27:27.0](facet.gif) |
has velocity | ![2001-09-27 09:27:27.0 2001-09-27 09:27:27.0](facet.gif) |
has momentum | ![2001-09-27 09:27:27.0 2001-09-27 09:27:27.0](facet.gif) |
has temperature | ![2001-09-27 09:27:27.0 2001-09-27 09:27:27.0](facet.gif) |
has volume | ![2001-09-27 09:27:27.0 2001-09-27 09:27:27.0](facet.gif) |
has extent | ![2001-09-27 09:27:27.0 2001-09-27 09:27:27.0](facet.gif) |
has material | ![2001-09-27 09:27:27.0 2001-09-27 09:27:27.0](facet.gif) |