Template:Infobox radium
From Vigyanwiki
| File:Radium226.jpg | |||||||||||||||
| Radium | |||||||||||||||
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| उच्चारण | /ˈreɪdiəm/ | ||||||||||||||
| दिखावट | silvery white metallic | ||||||||||||||
| जन अंक | [226] | ||||||||||||||
| Radium in the periodic table | |||||||||||||||
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| Atomic number (Z) | 88 | ||||||||||||||
| समूह | group 2 (alkaline earth metals) | ||||||||||||||
| अवधि | period 7 | ||||||||||||||
| ब्लॉक | s-block | ||||||||||||||
| ऋणावेशित सूक्ष्म अणु का विन्यास | [Rn] 7s2 | ||||||||||||||
| प्रति शेल इलेक्ट्रॉन | 2, 8, 18, 32, 18, 8, 2 | ||||||||||||||
| भौतिक गुण | |||||||||||||||
| Phase at STP | solid | ||||||||||||||
| गलनांक | 973 K (700 °C, 1292 °F) (disputed) | ||||||||||||||
| क्वथनांक | 2010 K (1737 °C, 3159 °F) | ||||||||||||||
| Density (near r.t.) | 5.5 g/cm3 | ||||||||||||||
| संलयन की गर्मी | 8.5 kJ/mol | ||||||||||||||
| Heat of vaporization | 113 kJ/mol | ||||||||||||||
Vapor pressure
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| परमाणु गुण | |||||||||||||||
| ऑक्सीकरण राज्य | +2 (expected to have a strongly basic oxide) | ||||||||||||||
| इलेक्ट्रोनगेटिविटी | Pauling scale: 0.9 | ||||||||||||||
| Ionization energies |
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| सहसंयोजक त्रिज्या | 221±2 pm | ||||||||||||||
| [वैन डेर वाल्स रेडियस]] | 283 pm | ||||||||||||||
| Spectral lines of radium | |||||||||||||||
| अन्य गुण | |||||||||||||||
| प्राकृतिक घटना | from decay | ||||||||||||||
| क्रिस्टल की संरचना | body-centered cubic (bcc) | ||||||||||||||
| ऊष्मीय चालकता | 18.6 W/(m⋅K) | ||||||||||||||
| विद्युत प्रतिरोधकता | 1 µΩ⋅m (at 20 °C) | ||||||||||||||
| चुंबकीय आदेश | nonmagnetic | ||||||||||||||
| CAS नंबर | 7440-14-4 | ||||||||||||||
| History | |||||||||||||||
| खोज] | Pierre and Marie Curie (1898) | ||||||||||||||
| पहला अलगाव | Marie Curie (1910) | ||||||||||||||
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Ra: Script error: The module returned a nil value. It is supposed to return an export table.
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| in | calc from C | diff | report | ref | |
| C | 700 | — | — | ||
| K | 973 | 973 | 0 | ||
| F | 1292 | 1292 | 0 | ||
| max precision | 0 | ||||
| WD | Script error: The module returned a nil value. It is supposed to return an export table. | Script error: The module returned a nil value. It is supposed to return an export table. | |||
| input | C: 700, K: 973, F: 1292 | ||||
| comment | (disputed) | ||||
Ra: Script error: The module returned a nil value. It is supposed to return an export table.
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|---|---|---|---|---|---|
| in | calc from C | diff | report | ref | |
| C | 1737 | — | — | ||
| K | 2010 | 2010 | 0 | ||
| F | 3159 | 3159 | 0 | ||
| max precision | 0 | ||||
| WD | Script error: The module returned a nil value. It is supposed to return an export table. | Script error: The module returned a nil value. It is supposed to return an export table. | |||
| input | C: 1737, K: 2010, F: 3159 | ||||
| comment | |||||
| Fr ← |
→ Ac | |
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| Data sets read by {{Infobox element}} | |
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| Name and identifiers | |
| Top image (caption, alt) | |
| Pronunciation | |
| Allotropes (demo) | |
| Group (demo) | |
| Period (demo) | |
| Block (demo) | |
| Standard atomic weight | |
| most stable isotope | |
| Natural occurrence | |
| Phase at STP | |
| Oxidation states | |
| Spectral lines image | |
| Electron configuration (cmt, ref) | |
| Wikidata * | |
| Symbol etymology (11 non-trivial) | |
| * Not used in {{Infobox element}} (2021-12-24) See also Category:Infobox element data sets (0) | |
References
Lua error in Module:TNT at line 182: Missing Commons dataset I18n/Module:TNT.tab.