Hydrogenium sive hydrogenum (a verbis Graecis antiquis ὕδωρ 'aqua' + γίγνομαι 'fieri') est primum systematis periodici elementum chemicum.
Numerus est protonum unus.
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Proprietates generales | ||||||
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Nomen, Symbolus, Numerus Atomicus | hydrogenium, H, 1 | |||||
Grex, Periodus, Glaeba | 1, 1, s | |||||
Color | ||||||
Pondus atomicum | 1,00794 g·mol−1 | |||||
e- per sphaeram | 1 | |||||
Proprietates physicae | ||||||
Status | Gas | |||||
Punctum liquefactionis | 14,01 K (-259,14 °C, -434,45 °F) | |||||
Punctum fervoris | 20,28 K (-252,87 °C, -423,17 °F) | |||||
Punctum triplex | 13,8033 K, 7,042 kPa | |||||
Punctum criticum | 32,97 K, 1,293 MPa | |||||
Calor latens fusionis | 0,117 kJ·mol−1 | |||||
Capacitas caloris | (25 °C) 28,836 J·mol−1·K−1 | |||||
Proprietates atomicae | ||||||
Structura crystallina | Hexagona | |||||
Affectus oxidationis | 1, 0, -1 | |||||
Radius atomicus | 25 pm | |||||
Radius atomicus (calc.) | 53 pm | |||||
Radius covalentiae | 37 pm | |||||
Radius Van der Waals | 120 pm | |||||
Varietas | ||||||
Conductus caloris | (25 °C) 0,1805 W/(m·K) | |||||
Velocitas soni | (25 °C) 1310 m/s |
Hydrogenio sunt isotopia tria:
Tritium primum isotopum radioactivum in helium-3 mutatur, unum electronem atque unum antineutrinum velocissima expellens. Tritii longaevitas media 17,77 anni est.
Hydrogenium moleculare in statu normali (298 K) aeriformis est. Status aggregationis liquidus sub 15.45 K est, solidus sub temperatura 14.05 K. Hoc gas facile solubilis est in aliquibus metallis, praecipue in palladio.
Hydrogenium est elementum abundantissimum et in 75 fere centesimis massae universi consistit. Stellae in serie principali maxime ex hydrogenio in plasmatico statu aggregandi constant.
1 H 2 He 3 Li 4 Be 5 B 6 C 7 N 8 O 9 F 10 Ne 11 Na 12 Mg 13 Al 14 Si 15 P 16 S 17 Cl 18 Ar 19 K 20 Ca 21 Sc 22 Ti 23 V 24 Cr 25 Mn 26 Fe 27 Co 28 Ni 29 Cu 30 Zn 31 Ga 32 Ge 33 As 34 Se 35 Br 36 Kr 37 Rb 38 Sr 39 Y 40 Zr 41 Nb 42 Mo 43 Tc 44 Ru 45 Rh 46 Pd 47 Ag 48 Cd 49 In 50 Sn 51 Sb 52 Te 53 I 54 Xe 55 Cs 56 Ba 57 La 58 Ce 59 Pr 60 Nd 61 Pm 62 Sm 63 Eu 64 Gd 65 Tb 66 Dy 67 Ho 68 Er 69 Tm 70 Yb 71 Lu 72 Hf 73 Ta 74 W 75 Re 76 Os 77 Ir 78 Pt 79 Au 80 Hg 81 Tl 82 Pb 83 Bi 84 Po 85 At 86 Rn 87 Fr 88 Ra 89 Ac 90 Th 91 Pa 92 U 93 Np 94 Pu 95 Am 96 Cm 97 Bk 98 Cf 99 Es 100 Fm 101 Md 102 No 103 Lr 104 Rf 105 Db 106 Sg 107 Bh 108 Hs 109 Mt 110 Ds 111 Rg 112 Cn 113 Nh 114 Fl 115 Mc 116 Lv 117 Ts 118 Og | |
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