Aperire sectionem principem
72 {{{sinister}}}hafnium{{{dexter}}}
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Hf

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Proprietates generales
Nomen, Symbolus, Numerus Atomicus hafnium, Hf, 72
Pondus atomicum 178,49  g·mol−1
e- per sphaeram 2, 8, 18, 32, 10, 2
Status Solisus
Densitas (circa 20°C) 13,31  g·cm−3
Densitas liquidi p.l. 12  g·cm−3
Punctum liquefactionis 2506 K
(2233 °C, 4051 °F)
Punctum fervoris 4876 K
(4603 °C, 8317 °F)

Hafnium[1] (-ii, n.), symbolo Hf imminutum, est elementum chemicum in systemate periodico.

NotaeRecensere

  1. "Hafnium": Peter van der Krogt, "Elementa chemica" apud situm Elementymology & Elements Multidict

Nexus externiRecensere

Elementa chemica: series paginarum brevium
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