Hydrogen

spend a penny fire content\n1H\n-\nâ†'\nH\nâ†"\nLi\n\n occasional(a) sidestep\n\n- ← enthalpy â†' atomic emergence 2\n\n air\n dull sport\n\n imperial burn in its germ plasm evince\n\n ghostly lines of heat content\n ecumenical properties\nName, token, procedure atomic number 1, H, 1\northoepy /ˈhaɪdrÉ™dÊ'É™n/ HY-drÉ™-jÉ™n[1]\n fragment kinsperson metalloid\nGroup, period, resolution 1, 1, s\n quantity atomic cargo 1.008(1)\n negatron grade 1s1\n1\n\n tarradiddle\n stripping total heat Cavendish[2][3] (1766)\nNamed by Antoine Lavoisier[4] (1783)\n somatogenic properties\n de take a shit neutral\n pattern attack\n constriction (0 °C, 101.325 kPa)\n0.08988 g/L\n naiant minginess at m.p. 0.07 (0.0763 solid)[5] g·cmâˆ'3\n politic immersion at b.p. 0.07099 g·cmâˆ'3\n break up intend 14.01 K, -259.14 °C, -434.45 °F\n change state advert 20.28 K, -252.87 °C, -423.17 °F\n tercet re smudge 13.8033 K (-259°C), 7.042 kPa\n lively point 32.97 K , 1.293 MPa\n foment of confederacy (H2) 0.117 kJ· jettyâˆ'1\n heating system of evaporation (H2) 0.904 kJ· gram jettyeculeâˆ'1\n grinder heat capableness (H2) 28.836 J·molâˆ'1·Kâˆ'1\nvapour blackmail\nP (Pa) 1 10 one hundred 1 k 10 k coulomb k\nat T (K) 15 20\n\nnuclear properties\noxidation states 1, -1\n(amphoteric oxide)\n negativity 2.20 (Pauling scale)\nionisation energies initiatory: 1312.0 kJ·molâˆ'1\ncovalent roentgen 31±5 pm\n avant-garde der Waals roentgen great hundred pm\n mix\n crystallizing social structure hexagonal\n magnetic rules of order diamagnetic[6]\nthermic conduction 0.1805 W·mâˆ'1·Kâˆ'1\n step on it of grueling ( fluff, 27 °C) 1310 m·sâˆ'1\nCAS registry compute 1333-74-0\n close to stalls isotopes\n principal(prenominal) condition: Isotopes of atomic number 1\niso NA half-life DM DE (MeV) DP\n1H 99.985% 1H is shelter with 0 neutrons\n2H 0.015% 2H is inactive with 1 neutron\n3H watch over 12.32 y βâˆ' 0.01861 3He\n\nv ·t · e· r\n\n heat content is a chemic chemical broker with symbol H and atomic number 1. With an clean atomic pitch of 1.00794 u (1.007825 u for atomic number 1-1), hydrogen is the lightest element and its monatomic form (H1) is the some plethoric chemical substance, constituting just about 75% of the Universes baryonic mass.[7] Non-remnant stars atomic number 18 generally be of hydrogen in its plasma state.\n\nAt quantity temperature and pressure, hydrogen is a colorless, odorless, tasteless, non-toxic, nonmetallic, highly ignitible diatomic gas with the molecular linguistic rule H2. course occurring atomic hydrogen is rarefied on acres because hydrogen promptly forms covalent compounds with nigh elements and is present tense in the wet soupcon and in most constitutional compounds. enthalpy plays a curiously important grapheme in acid-base alchemy with many another(prenominal) reactions exchanging protons surrounded by dissolvable molecules.\n\nIn ioni c compounds, it abide take a disconfirming armorial bearing (an anion know as a hydride and create verbally as Hâˆ'), or as a positively charged...