Hydrogen

Háídrójìn tabi Hídrójìn (pípè /ˈhaɪdrɵdʒɨn/,^[7] HYE-dro-jin) je elimenti kemika to ni nomba atomu 1. O je sisoju fun latowo ami-idamo H. Pelu iwuwo atomu iye 1.00794 u (1.007825 u fun Hydrogen-1), hydrogen ni apilese kemika tofuyejulo ati tolopojulo, o je bi 75 % gbogbo isupo apilese Agbalaaye.^[8] Awon irawo ninu telentele olori je ni pataki kiki haidojin ni iwa plasma re. Ki haidrojin o da wa fun ra ara re ni Aye sowon gan.

Háídrójìn, ₁H

Purple glow in its plasma state
Háídrójìn
Ìhànsójú	colorless gas
Ìwúwo átọ̀mù Ar, std(H)	[1.00784, 1.00811] conventional: 1.008
Háídrójìn ní orí tábìlì àyè
Hydrogen Helium Lithium Beryllium Boron Carbon Nitrogen Oxygen Fluorine Neon Sodium Magnesium Aluminium Silicon Phosphorus Sulfur Chlorine Argon Potassium Calcium Scandium Titanium Vanadium Chromium Manganese Iron Cobalt Nickel Copper Zinc Gallium Germanium Arsenic Selenium Bromine Krypton Rubidium Strontium Yttrium Zirconium Niobium Molybdenum Technetium Ruthenium Rhodium Palladium Silver Cadmium Indium Tin Antimony Tellurium Iodine Xenon Caesium Barium Lanthanum Cerium Praseodymium Neodymium Promethium Samarium Europium Gadolinium Terbium Dysprosium Holmium Erbium Thulium Ytterbium Lutetium Hafnium Tantalum Tungsten Rhenium Osmium Iridium Platinum Gold Mercury (element) Thallium Lead Bismuth Polonium Astatine Radon Francium Radium Actinium Thorium Protactinium Uranium Neptunium Plutonium Americium Curium Berkelium Californium Einsteinium Fermium Mendelevium Nobelium Lawrencium Rutherfordium Dubnium Seaborgium Bohrium Hassium Meitnerium Darmstadtium Roentgenium Copernicium Nihonium Flerovium Moscovium Livermorium Tennessine Oganesson - ↑ H ↓ Li - ← háídrójìn → hílíọ̀mù
Nọ́mbà átọ̀mù (Z)	1
Ẹgbẹ́	1: H and alkali metals
Àyè	àyè 1
Àdìpọ̀	Àdìpọ̀-s
Ẹ̀ka ẹ́límẹ́ntì	Reactive nonmetal
Ìtò ẹ̀lẹ́ktrọ́nù	1s1
Iye ẹ̀lẹ́ktrọ́nù lórí ìpele kọ̀ọ̀kan	1
Àwọn ohun ìní ara
colorless
Ìfarahàn at STP	gas
Ìgbà ìyọ́	14.01 K ​(-259.14 °C, ​-434.45 °F)
Ígbà ìhó	20.28 K ​(-252.87 °C, ​-423.17 °F)
Kíki (at STP)	0.08988 g/L
when liquid (at m.p.)	0.07 (0.0763 solid)[1] g/cm3
when liquid (at b.p.)	0.07099 g/cm3
Triple point	13.8033 K, ​7.042 kPa
Critical point	32.97 K, 1.293 MPa
Heat of fusion	(H2) 0.117 kJ/mol
Heat of	(H2) 0.904 kJ/mol
Molar heat capacity	(H2) 28.836 J/(mol·K)
pressure P (Pa) 1 10 100 1 k 10 k 100 k at T (K) 15 20
Atomic properties
Oxidation states	−1, +1 Àdàkọ:Infobox element/symbol-to-oxidation-state/comment
Electronegativity	Pauling scale: 2.20
Covalent radius	31±5 pm
Van der Waals radius	120 pm
Spectral lines of háídrójìn
Other properties
Natural occurrence	primordial
Crystal structure	​hexagonal
Speed of sound	(gas, 27 °C) 1310 m/s
Thermal conductivity	0.1805 W/(m·K)
Magnetic ordering	diamagnetic[2]
CAS Number	1333-74-0
History
Discovery	Henry Cavendish[3][4] (1766)
Named by	Antoine Lavoisier[5] (1783)
Main isotopes of háídrójìn
Iso­tope Abun­dance Half-life (t1/2) Decay mode Pro­duct 1H 99.985% 1H is stable with 0 neutrons 2H 0.015% 2H is stable with 1 neutron 3H trace 12.32 y β− 0.01861 3He
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