Template:Infobox astatine/sandbox
{{Infobox
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| title = Astatine, 85At
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| caption2 = | header10 = General properties
| label11 = Pronunciation
| data11 = /ˈæstətiːn/ or /ˈæstətɪn/
Template:Respell or Template:Respell
| label12 = Proposed formal name
| data12 =
| label13 = Alternative name
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| label14 = Allotropes
| data14 =
| label15 = Appearance
| data15 = unknown, probably metallic
| label16 = Standard atomic weight (Ar) | data16 = | label17 = Mass number | data17 = | label18 = Abundance | data18 = | data19 = | header20 = Astatine in the periodic table | data22 =
|
| label23 = Atomic number (Z) | data23 = 85
| label24 = Group, period | data24 = group 17 (halogens), period 6 | label25 = Block | data25 = p-block
| label26 = Element category | data26 = metalloid, sometimes classified as a nonmetal, may be a metal[1]
| label31 = Electron configuration | data31 = [Xe] 4f14 5d10 6s2 6p5
| label32 =
| data32 = 2, 8, 18, 32, 18, 7
|header40 = Physical properties | data41 = | data42 =
References
- ↑ Jump up to: 1.0 1.1 Hermann, A.; Hoffmann, R.; Ashcroft, N. W. (2013). "Condensed Astatine: Monatomic and Metallic". Physical Review Letters. 111 (11): 116404-1–116404-5. doi:10.1103/PhysRevLett.111.116404.
- ↑ Bonchev, D.; Kamenska, V. (1981). "Predicting the properties of the 113–120 transactinide elements". The Journal of Physical Chemistry. ACS Publications. 85 (9): 1177–86. doi:10.1021/j150609a021. Retrieved 6 May 2013.
- ↑ Rothe, S.; Andreyev, A. N.; Antalic, S.; Borschevsky, A.; Capponi, L.; Cocolios, T. E.; De Witte, H.; Eliav, E.; et al. (2013). "Measurement of the first ionization potential of astatine by laser ionization spectroscopy". Nature Communications. 4: 1–6. doi:10.1038/ncomms2819. PMC 3674244. PMID 23673620.
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