Plumbum

Plumbum (-i, n.) est elementum chemicum metallicum post-transitionale cui sunt signum Pb et numerus atomicus 82. Quod est metallum grave, veneniferum, pluribus materiebus communibus densius. Plumbum est molle et malleabile, puncto liquefactionis humili.

82 thallium ← plumbum → bisemutum Sn ↑ Pb ↓ Fl Systema periodicum
Proprietates generales
Nomen, Symbolus, Numerus Atomicus	plumbum, Pb, 82
Grex, Periodus, Glaeba	14, 6, p
Color	metallica
Pondus atomicum	207,2  g·mol−1
e- per sphaeram	2, 8, 18, 32, 18, 4
Proprietates physicae
Status	Solisus
Densitas (circa 20°C)	11,34  g·cm−3
Densitas liquidi p.l.	10,66  g·cm−3
Punctum liquefactionis	600,61 K (327,46 °C, 621,43 °F)
Punctum fervoris	2022 K (1749 °C, 3180 °F)
Calor latens fusionis	4,77 kJ·mol−1
Capacitas caloris	(25 °C) 179,5 J·mol−1·K−1
Pressio vaporis P(Pa) 1 10 100 1 k 10 k 100 k at T(K) 978 1088 1229 1412 1660 2027
Proprietates atomicae
Structura crystallina	Cubica facie media
Affectus oxidationis	2,4
Radius atomicus	175  pm
Radius covalentiae	146±5  pm
Radius Van der Waals	202 pm
Varietas
Conductus caloris	(25 °C) 35,3  W/(m·K)

Bibliographia

• Astrid, S., S. Helmut, & R. K. O. Sigel, eds. 2017. Lead: Its Effects on Environment and Health. Metal Ions in Life Sciences, 17. De Gruyter. ISBN 9783110441079.
• Casas, J. S., & J. Sordo, eds. 2006. Lead Chemistry, Analytical Aspects: Environmental Impacts and Health Effects. Elsevier. ISBN 9780444529459.

Nexus externi

• Plumbum. Patreon: periodic videos.

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 Elementum • Systema periodicum