actinium in a sentence
1) One tonne of uranium ore contains about 0.2 milligrams of actinium .
2) Secondary decay products of thorium include radium and actinium .
3) Actinium is a soft, silvery-white, radioactive, metallic element.
actinium example sentences
4) The strongest base is of actinium .5) Actinium trifluoride can be produced either in solution or in solid reaction.
6) Actinium also has two meta states.
7) The fourth element, either actinium or lawrencium, has only radioactive isotopes.
8) Dr. Dave also joined the Board of Directors of actinium .
9) The actinide series derives its name from the first element in the series, actinium .
10) The 4n+3 chain of uranium-235 is commonly called the " actinium series".
11) The rare oxidation state +2 is only known for actinium dihydride (AcH2).
12) Treating actinium trifluoride with ammonium hydroxide at 900–1000 °C yields oxyfluoride AcOF.
13) Owing to its scarcity, high price and radioactivity, actinium has no significant industrial use.
14) This reduced actinium accumulation in the bones, but the excretion from the body remained slow.
15) Polonium, radium and radon were observed before actinium , but they were not isolated until 1902.
use actinium in a sentence
16) This week 's element is actinium , which has the chemical symbol Ac and the atomic number 89.17) The isotopes of actinium range in atomic weight from 206 u () to 236 u ().
18) There is a dispute whether lanthanum and actinium or lutetium and lawrencium should be included into group 3.
19) As with most lanthanides and actinides, actinium assumes oxidation state +3 in nearly all its chemical compounds.
20) All compounds of actinium are colorless, except for black actinium sulfide (Ac2S3).
21) All compounds of actinium are colorless, except for black actinium sulfide (Ac2S3).
22) In particular, the lattice constants of the analogous lanthanum and actinium compounds differ by only a few percent.
23) Until the end of her life she continued research to isolate, concentrate, and purify polonium and actinium .
24) The former reaction is carried out at room temperature, by adding hydrofluoric acid to a solution containing actinium ions.
25) Among the actinides, thorium has the highest melting point and second-lowest density (second only to actinium ).
26) The close similarity of physical and chemical properties of actinium and lanthanum makes separation of actinium from the ore impractical.
27) The close similarity of physical and chemical properties of actinium and lanthanum makes separation of actinium from the ore impractical.
28) Actinium gets its name from ... What does Chernobyl , UC Berkeley and The New Yorker magazine share in common ?
How to use actinium in a sentence
29) In the latter method, actinium metal is treated with hydrogen fluoride vapors at 700 °C in an all-platinum setup.30) The shortest-lived known isotope of actinium is (half-life of 69 nanoseconds) which decays through alpha decay and electron capture.
31) Owing to the close similarity of actinium and lanthanum and low abundance, pure actinium could only be produced in 1950.
32) Owing to the close similarity of actinium and lanthanum and low abundance, pure actinium could only be produced in 1950.
33) Except for AcPO4, they are all similar to the corresponding lanthanum compounds and contain actinium in the oxidation state +3.
34) The first element of the actinides, actinium gave the group its name, much as lanthanum had done for the lanthanides.
35) One of them, Salomon Rosenblum, made a major discovery in 1929, when his work with actinium (prepared by Curie herself) helped confirm quantum theory.
36) If you've learned all the elements from actinium to zirconium, it's time to head back to the periodic table, where there's a new, extremely heavy element in town.
37) In the actinium series, the parent nucleus U235 h a s o half-life of 8.8 x 10' years, much longer than the half-lives irl any of the succeeding generations.
38) He tested for elements below uranium in the periodic table: radon, actinium , polonium, as far back as lead – it was none of these.
39) Alpha particles are commonly emitted by all of the larger radioactive nuclei such as uranium, thorium, actinium , and radium, as well as the transuranic elements.
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