Mendeleev's Periodic Table > Pb - Lead

Pb - Lead

A toxic heavy metal. Its malleability has been lead's greatest virtue as it has been used since ancient times for containers and water pipes. Lead pipes bearing the insignia of Roman emperors, used as drains from the baths, are still in service. Lead is a bluish-white lustrous metal. It is very soft, highly malleable, ductile, and a relatively poor conductor of electricity. It is very resistant to corrosion but tarnishes upon exposure to air. Alloys include pewter and solder. Lead isotopes are the end products of each of the three series of naturally occurring radioactive elements.

Atomic number	-	82		Density	g/mL	11	.4
Atomic weight	u	207	.2	Melting point	K	600	.6
Bonding radius	A	1	.47	Boiling point	K	2023
Atomic radius	A	1	.81	Heat of vaporization	kJ/mol	177	.7
Ionization Potential	V	7	.416	Heat of fusion	kJ/mol	4	.799
Electronegativity	-	2	.33	Specific heat	J/gK	0	.13
The oxide is amphoteric.				Crystal are face centered cubic.
Electron config. : [Xe] 4f¹⁴ 5d¹⁰ 6s² 6p²

Isotopes of Pb (Lead) :

MASS abundancy Halflife Particle, Energy Decay Product(s) Isotopic Mass	181 45 msec a/EC,7.370 Hg-177/Tl-181 180.99685	182 55 msec a,7.076 MeV Hg-178 181.99267	183 300 msec a/EC,7.030 Hg-179/Tl-183 182.99194	184 0.55 sec a/EC,6.775 Hg-180/Tl-184 183.98820
MASS abundancy Halflife Particle, Energy Decay Product(s) Isotopic Mass	185 4.1 sec a,6.680 MeV Hg-181 184.98754	186 4.7 sec a,6.471 MeV Hg-182 185.98432	187 18.3 sec a/EC,7.200 Hg-183/Tl-187 186.98389	188 24.2 sec a/EC,4.800 Hg-184/Tl-188 187.98106
MASS abundancy Halflife Particle, Energy Decay Product(s) Isotopic Mass	189 51 sec a/EC,6.700 Hg-185/Tl-189 188.98089	190 1.2 min a/EC,4.100 Hg-186/Tl-190 189.97817	191 1.33 min a/EC,5.900 Hg-187/Tl-191 190.97819	192 3.5 min a/EC,3.400 Hg-188/Tl-192 191.97575
MASS abundancy Halflife Particle, Energy Decay Product(s) Isotopic Mass	193 EC,5.200 MeV Tl-193 192.97608	194 12.0 min a/EC,2.700 Hg-190/Tl-194 193.97396	195 15 min EC,4.500 MeV Tl-195 194.97444	196 37 min a/EC,2.050 Hg-192/Tl-196 195.97271
MASS abundancy Halflife Particle, Energy Decay Product(s) Isotopic Mass	197 8 min EC,3.580 MeV Tl-197 196.97337	198 2.40 hr EC,1.410 MeV Tl-198 197.97198	199 90 min EC,2.880 MeV Tl-199 198.97290	200 21.5 hr EC,2.456 MeV Tl-200 199.97181
MASS abundancy Halflife Particle, Energy Decay Product(s) Isotopic Mass	201 9.33 hr EC,1.900 MeV Tl-201 200.97285	201a 61 sec EC,2.529 MeV Tl-201 200.97352	202 52.5E+3 yr a/EC,1.364 Hg-198/Tl-202 201.97214	203 51.873 hr EC,2.139 MeV Tl-203 202.97337
MASS abundancy Halflife Particle, Energy Decay Product(s) Isotopic Mass	204 1.4% 1.4E+17 yr a,3.800 MeV Hg-200 203.97302	205 1.53E+7 yr EC,1.531 MeV Tl-205 204.97446	206 24.1% Stable 205.97444	207 22.1% Stable 206.97588
MASS abundancy Halflife Particle, Energy Decay Product(s) Isotopic Mass	208 52.4% Stable 207.97663	209 3.253 hr B-,3.980 MeV Bi-209 208.98107	210 22.3 yr a/B-,5.484 Hg-206/Bi-210 209.98417	211 36.1 min B-,1.373 MeV Bi-211 210.98873
MASS abundancy Halflife Particle, Energy Decay Product(s) Isotopic Mass	212 10.64 hr B-,5.965 MeV Bi-212 211.99188	213 10.2 min B-,2.070 MeV Bi-213 212.99659	214 26.8 min B-,1.024 MeV Bi-214 213.99979

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