154:, using the method mentioned in the section above. The CsFr molecule is predicted to have francium at the negative end of the dipole, unlike all known heterodiatomic alkali metal molecules. Francium
174:
spinor may make francium compounds in oxidation states higher than +1 possible, such as ; but this has not been experimentally confirmed. Francium perchlorate is produced by the reaction of
46:, which results in small amounts of francium perchlorate. This coprecipitation can be used to isolate francium, by adapting the radiocaesium coprecipitation method of
309:, Subcommittee on Radiochemistry, National Academy of Sciences-National Research Council; available from the Office of Technical Services, Dept. of Commerce, 1960.
436:
94:
Francium halides are all soluble in water and are expected to be white solids. They are expected to be produced by the reaction of the corresponding
170:; this is attributed to the 6p electrons in francium being more involved in the francium–oxygen bonding. The relativistic destabilisation of the 6p
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190:. This coprecipitation can be used to isolate francium, by adapting the radiocaesium coprecipitation method of
102:. Francium chloride has been studied as a pathway to separate francium from other elements, by using the high
134:
are insoluble. The insoluble compounds are used to extract francium from other radioactive products, such as
114:
Francium nitrate, sulfate, hydroxide, carbonate, acetate, and oxalate are all soluble in water, while the
480:
191:
47:
497:
353:. Challenges and Advances in Computational Chemistry and Physics. Vol. 10. Springer. p. 81.
349:
Thayer, John S. (2010). "Relativistic
Effects and the Chemistry of the Heavier Main Group Elements".
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456:
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and C. M. Nelson. It will additionally coprecipitate with many other caesium salts, including the
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34:(Fr). Due to francium being very unstable, its salts are only known to a small extent. Francium
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Hyde, E. K. (1952). "Radiochemical
Methods for the Isolation of Element 87 (Francium)".
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98:. For example, francium chloride would be produced by the reaction of francium and
397:
324:
Lavrukhina, Avgusta
Konstantinovna; Pozdnyakov, Aleksandr Aleksandrovich (1970).
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of the compound, although francium fluoride would have a higher vapour pressure.
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328:. Translated by R. Kondor. Ann Arbor–Humphrey Science Publishers. p. 269.
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Analytical
Chemistry of Technetium, Promethium, Astatine, and Francium
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and C. M. Nelson. However, this method is unreliable in separating
382:
Cao, Chang-Su; Hu, Han-Shi; Schwarz, W. H. Eugen; Li, Jun (2022).
198:, which also coprecipitates with caesium. Francium perchlorate's
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147:
384:"Periodic Law of Chemistry Overturns for Superheavy Elements"
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The only double salt known of francium has the formula Fr
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30:are compounds containing the element
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351:Relativistic Methods for Chemists
74:. It also coprecipitates with
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536:Chemical compounds by element
162:) is expected to have a more
398:10.26434/chemrxiv-2022-l798p
202:is expected to be 42.7
359:10.1007/978-1-4020-9975-5_2
182:. The francium perchlorate
166:character than its lighter
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307:Radiochemistry of Francium
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279:2027/mdp.39015086483156
192:Lawrence E. Glendenin
48:Lawrence E. Glendenin
38:with several caesium
270:10.1021/ja01136a066
188:caesium perchlorate
76:silicotungstic acid
44:caesium perchlorate
526:Francium compounds
446:Francium compounds
180:sodium perchlorate
28:Francium compounds
513:
512:
368:978-1-4020-9975-5
335:978-0-250-39923-9
264:(16): 4181–4184.
258:J. Am. Chem. Soc.
231:Caesium compounds
206:(178.7 J mol K).
176:francium chloride
16:(Redirected from
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80:perchloric acid
72:silicotungstate
68:chloroplatinate
66:tartrate), the
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401:. Retrieved
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403:16 November
78:, and with
520:Categories
242:References
156:superoxide
144:molybdenum
70:, and the
42:, such as
168:congeners
136:zirconium
531:Francium
389:ChemRxiv
288:95854270
225:See also
196:thallium
164:covalent
152:antimony
124:tartrate
100:chlorine
96:halogens
64:rubidium
60:tartrate
32:francium
200:entropy
140:niobium
120:picrate
90:Halides
84:carrier
56:picrate
365:
332:
286:
150:, and
130:, and
116:iodate
62:(also
58:, the
54:, the
52:iodate
284:S2CID
186:with
40:salts
493:FrOH
471:FrBr
466:FrCl
405:2022
363:ISBN
330:ISBN
178:and
158:(FrO
476:FrI
394:doi
355:doi
274:hdl
266:doi
204:e.u
172:3/2
148:tin
522::
502:SO
498:Fr
485:CO
481:Fr
457:Fr
386:.
361:.
314:^
296:^
282:.
272:.
262:74
221:.
213:Bi
146:,
142:,
138:,
126:,
122:,
118:,
504:4
500:2
487:3
483:2
461:O
459:2
438:e
431:t
424:v
407:.
396::
371:.
357::
338:.
290:.
276::
268::
219:9
217:I
215:2
211:9
160:2
20:)
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