ഫലകം വിക്കിപീഡിയ From Wikipedia, the free encyclopedia
ഹൈഡ്രജൻ | |||||||||||||||
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Appearance | colorless gas | ||||||||||||||
ഹൈഡ്രജൻ ആവർത്തനപ്പട്ടികയിൽ | |||||||||||||||
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ഗ്രൂപ്പ് | group 1: hydrogen and alkali metals | ||||||||||||||
പിരീഡ് | period 1 | ||||||||||||||
ബ്ലോക്ക് | s-block | ||||||||||||||
ഇലക്ട്രോൺ വിന്യാസം | 1s1 | ||||||||||||||
Electrons per shell | 1 | ||||||||||||||
Physical properties | |||||||||||||||
Phase at STP | gas | ||||||||||||||
ദ്രവണാങ്കം | (H2) 13.99 K (−259.16 °C, −434.49 °F) | ||||||||||||||
ക്വഥനാങ്കം | (H2) 20.271 K (−252.879 °C, −423.182 °F) | ||||||||||||||
ഘനത്വം (STP-യിൽ) | 0.08988 g/L | ||||||||||||||
when liquid (at m.p.) | 0.07 g/cm3 (solid: 0.0763 g/cm3)[1] | ||||||||||||||
when liquid (at b.p.) | 0.07099 g/cm3 | ||||||||||||||
ത്രിക ബിന്ദു | 13.8033 K, 7.041 kPa | ||||||||||||||
Critical point | 32.938 K, 1.2858 MPa | ||||||||||||||
ദ്രവീകരണ ലീനതാപം | (H2) 0.117 kJ/mol | ||||||||||||||
Heat of vaporization | (H2) 0.904 kJ/mol | ||||||||||||||
Molar heat capacity | (H2) 28.836 J/(mol·K) | ||||||||||||||
Vapor pressure
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Atomic properties | |||||||||||||||
Oxidation states | −1, +1 (an amphoteric oxide) | ||||||||||||||
Electronegativity | Pauling scale: 2.20 | ||||||||||||||
അയോണീകരണ ഊർജം |
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കൊവാലന്റ് റേഡിയസ് | 31±5 pm | ||||||||||||||
Van der Waals radius | 120 pm | ||||||||||||||
Spectral lines of ഹൈഡ്രജൻ | |||||||||||||||
Other properties | |||||||||||||||
Natural occurrence | primordial | ||||||||||||||
ക്രിസ്റ്റൽ ഘടന | hexagonal | ||||||||||||||
ശബ്ദവേഗത | 1310 m/s (gas, 27 °C) | ||||||||||||||
താപചാലകത | 0.1805 W/(m⋅K) | ||||||||||||||
കാന്തികത | diamagnetic[2] | ||||||||||||||
കാന്തികക്ഷമത | −3.98·10−6 cm3/mol (298 K)[3] | ||||||||||||||
സി.എ.എസ് നമ്പർ | 12385-13-6 1333-74-0 (H2) | ||||||||||||||
History | |||||||||||||||
Discovery | Henry Cavendish[4][5] (1766) | ||||||||||||||
Named by | Antoine Lavoisier[6] (1783) | ||||||||||||||
Isotopes of ഹൈഡ്രജൻ | |||||||||||||||
Template:infobox ഹൈഡ്രജൻ isotopes does not exist | |||||||||||||||
H · Hydrogen | ||
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→ H | ||
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indexes by PT (page) |
Data sets read by {{Infobox element}} | |
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Name and identifiers | |
Top image | |
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Pronunciation | |
Category (enwiki) | |
Standard atomic weight | |
most stable isotope | |
Oxidation states | |
Spectral lines image |
Three of these references are named references. They may be cited in the containing articles as
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