Difference between revisions of "Template:Infobox francium"
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imported>Colonies Chris |
imported>Double sharp |
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| Line 16: | Line 16: | ||
|appearance= | |appearance= | ||
|electrons per shell=2, 8, 18, 32, 18, 8, 1 | |electrons per shell=2, 8, 18, 32, 18, 8, 1 | ||
| − | |phase= | + | |phase=solid |
|density gpcm3nrt=2.48 | |density gpcm3nrt=2.48 | ||
| − | |density gpcm3nrt | + | |density gpcm3nrt comment=''(estimated)''<ref name="L&P">{{cite book |title=Analytical Chemistry of Technetium, Promethium, Astatine, and Francium |first1=Avgusta Konstantinovna |last1=Lavrukhina |first2=Aleksandr Aleksandrovich |last2=Pozdnyakov |year=1970 |publisher=Ann Arbor–Humphrey Science Publishers |others=Translated by R. Kondor |isbn=978-0-250-39923-9 |page=269}}</ref> |
| − | + | |melting point K=300 | |
| − | + | |melting point C=27 | |
| − | + | |melting point F=81 | |
| − | + | |melting point comment= | |
| − | |boiling point K= | + | |boiling point K=950 |
| − | |boiling point C= | + | |boiling point C=677 |
| − | |boiling point F= | + | |boiling point F=1251 |
| − | |boiling point comment= | + | |boiling point comment= |
|heat fusion= | |heat fusion= | ||
|heat vaporization= | |heat vaporization= | ||
Latest revision as of 12:16, 31 January 2021
[[Category:Template:Pagetype with short description]]
| Francium | ||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Pronunciation | /ˈfrænsiəm/ | |||||||||||||||||||||||||||||
| Mass number | [223] | |||||||||||||||||||||||||||||
| Francium in the periodic table | ||||||||||||||||||||||||||||||
| ||||||||||||||||||||||||||||||
| Atomic number (Z) | 87 | |||||||||||||||||||||||||||||
| Group | group 1: H and alkali metals | |||||||||||||||||||||||||||||
| Period | period 7 | |||||||||||||||||||||||||||||
| Block | s-block | |||||||||||||||||||||||||||||
| Electron configuration | [Rn] 7s1 | |||||||||||||||||||||||||||||
| Electrons per shell | 2, 8, 18, 32, 18, 8, 1 | |||||||||||||||||||||||||||||
| Physical properties | ||||||||||||||||||||||||||||||
| Phase at STP | solid | |||||||||||||||||||||||||||||
| Melting point | 300 K (27 °C, 81 °F) | |||||||||||||||||||||||||||||
| Boiling point | 950 K (677 °C, 1251 °F) | |||||||||||||||||||||||||||||
| Density (near r.t.) | 2.48 g/cm3 (estimated)[1] | |||||||||||||||||||||||||||||
Vapor pressure (extrapolated)
| ||||||||||||||||||||||||||||||
| Atomic properties | ||||||||||||||||||||||||||||||
| Oxidation states | +1 (a strongly basic oxide) | |||||||||||||||||||||||||||||
| Electronegativity | Pauling scale: >0.79 | |||||||||||||||||||||||||||||
| Ionization energies |
| |||||||||||||||||||||||||||||
| Covalent radius | 260 pm (extrapolated) | |||||||||||||||||||||||||||||
| Van der Waals radius | 348 pm (extrapolated) | |||||||||||||||||||||||||||||
| Other properties | ||||||||||||||||||||||||||||||
| Natural occurrence | from decay | |||||||||||||||||||||||||||||
| Crystal structure | body-centered cubic (bcc) (extrapolated) | |||||||||||||||||||||||||||||
| Thermal conductivity | 15 W/(m·K) (extrapolated) | |||||||||||||||||||||||||||||
| Electrical resistivity | 3 µΩ·m (calculated) | |||||||||||||||||||||||||||||
| Magnetic ordering | Paramagnetic | |||||||||||||||||||||||||||||
| CAS Number | 7440-73-5 | |||||||||||||||||||||||||||||
| History | ||||||||||||||||||||||||||||||
| Naming | after France, homeland of the discoverer | |||||||||||||||||||||||||||||
| Discovery and first isolation | Marguerite Perey (1939) | |||||||||||||||||||||||||||||
| Main isotopes of francium | ||||||||||||||||||||||||||||||
| ||||||||||||||||||||||||||||||
[[Category:Infobox templates|Template:Remove first word]]
| data m.p. cat | |||||
|---|---|---|---|---|---|
| in | calc from C | diff | report | ref | |
| C | 27 | — | — | ||
| K | 300 | 300 | 0 | ||
| F | 81 | 81 | 0 | Template:Subpage other | |
| max precision | 0 | ||||
| WD | Template:Wikidata Script error: No such module "EditAtWikidata". | Template:Wikidata | |||
| input | C: 27, K: 300, F: 81 | ||||
| comment | |||||
| data b.p. cat | |||||
|---|---|---|---|---|---|
| in | calc from C | diff | report | ref | |
| C | 677 | — | — | ||
| K | 950 | 950 | 0 | ||
| F | 1251 | 1251 | 0 | Template:Subpage other | |
| max precision | 0 | ||||
| WD | Template:Wikidata Script error: No such module "EditAtWikidata". | Template:Wikidata | |||
| input | C: 677, K: 950, F: 1251 | ||||
| comment | |||||
| Rn ← |
→ Ra | |
| ||
| Data sets read by {{Infobox element}} | |
|---|---|
| Name and identifiers | |
| Top image (caption, alt) | |
| Pronunciation | |
| Category (enwiki) | |
| Standard atomic weight | |
| most stable isotope | |
| Natural occurrence | |
| Phase at STP | |
| Oxidation states | |
| Spectral lines image | |
| Electron configuration (cmt, ref) | |
| Term symbol * (cmt, ref) | |
| Wikidata * | |
| * Not used in {{Infobox element}} (2019-02-03) See also {{Infobox element/symbol-to--navbox}} | |
References
- ↑ Lavrukhina, Avgusta Konstantinovna; Pozdnyakov, Aleksandr Aleksandrovich (1970). Analytical Chemistry of Technetium, Promethium, Astatine, and Francium. Translated by R. Kondor. Ann Arbor–Humphrey Science Publishers. p. 269. ISBN 978-0-250-39923-9.
- ↑ ISOLDE Collaboration, J. Phys. B 23, 3511 (1990) (PDF online)
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