astatine in a sentence
1) astatine is very radioactive and thus highly dangerous.
2) The crystalline structure of solid astatine is unknown.
3) There are no stable isotopes of astatine.
4) There is no data indicating that astatine occurs in stars.
astatine example sentences5) This means we are free to imagine astatine's appearance.
6) No astatine fluorides have been discovered as yet.
7) Some of astatine's reported properties are nonmetallic.
8) Astatine's chemical symbol is At and its chemical number is 85.
9) However, metal formation for condensed-phase astatine has also been suggested.
10) Accordingly, much less is known about astatine than most other elements.
11) astatine is later desorbed via chloric water.
12) astatine sublimes less readily than does iodine, having a lower vapor pressure.
13) Iodine and astatine only partially react with hydrogen, forming equilibria.
14) astatine is usually classified as either a nonmetal or a metalloid.
example sentences with astatine15) They are fluorine, chlorine, bromine, iodine and astatine.
16) Zalutsky and Pruszynski estimate a similar cost for producing astatine.
17) Polonium and astatine are produced in minute quantities by irradiating bismuth.
18) Tin forms dihalides and tetrahalides with all halogens except astatine.
19) astatine has an electronegativity of 2.2 on the revised Pauling scale.
20) Astatine's alpha decay energies follow the same trend as for other heavy elements.
21) The bulk properties of astatine are not known with any great degree of certainty.
22) Six astatine isotopes occur naturally (astatine-214 to astatine-219).
23) The halogens form homonuclear diatomic molecules (not proven for astatine).
24) As a halogen, astatine tends to be classified as a nonmetal.
25) Unlike its lighter congener iodine, evidence for diatomic astatine is sparse and inconclusive.
26) astatine forms a series of oxyanions: AtO–,, and .
27) These values exceed the astatine (and all preceding) values, following periodic trends.
How to use astatine in a sentence28) This name was chosen as the chemical element astatine has the chemical symbol "At".
29) Using this technique, yields of astatine of up to 30% may be achieved.
30) Since such reactions produces hundreds less times astatine than the one involving bismuth and alpha particles.
31) Many chemical properties of astatine have been determined using tracer studies on extremely dilute astatine solutions.
32) Many chemical properties of astatine have been determined using tracer studies on extremely dilute astatine solutions.
33) These experiments also suggest that astatine could cause damage to the thyroid of any organism.
34) astatine has no biological role.
35) astatine forms covalent compounds with non-metals.
36) In 1950 astatine was described as a halogen and (therefore) a reactive nonmetal.
37) The reactions involved are normally tested with dilute solutions of astatine mixed with larger amounts of iodine.
38) Several authors have commented on the metallic nature of some of the properties of astatine.
39) The inclusion of antimony, polonium, and astatine as metalloids also has been questioned.
40) The chemistry of astatine in aqueous solution is mainly characterised by the formation of various anionic species.
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