Bi - Bismuth

A heavy metal, bismuth has been known since Claude Geoffroy distinguished it from lead in 1753.

Atomic number - 83 Density g/mL 9 .8

Atomic weight u 208 .9804 Melting point K 544 .52

Bonding radius A 1 .46 Boiling point K 1837

Atomic radius A 1 .63 Heat of vaporization kJ/mol 104 .8

Ionization Potential V 7 .289 Heat of fusion kJ/mol 11 .3

Electronegativity - 2 .02 Specific heat J/gK 0 .12

The oxide is mildly acidic.
Crystal are rhombohedral.

Electron config. : [Xe] 4f¹⁴ 5d¹⁰ 6s² 6p³

Isotopes of Bi: Click mass number for decay process, product for element page.

187
35 msec
a,7.690 MeV
Tl-183
186.99345 188
44 msec
a/EC,7.270
Tl-184/Pb-188
187.99216 188a
0.21 sec
EC,10.400 MeV
Pb-188
187.99216 189
680 msec
a/EC,7.270
Tl-185/Pb-189
188.98947 190
5.7 sec
a/EC,6.862
Tl-186/Pb-190
189.98851 191
12 sec
a/EC,6.781
Tl-187/Pb-191
190.98604 191a
150 msec
EC,7.542 MeV
Pb-191
190.98636

192
34.6 sec
a/EC,9.000
Tl-188/Pb-192
191.98536 193
67 sec
a/EC,6.500
Tl-189/Pb-193
192.98303 194
95 sec
a/EC,8.200
Tl-190/Pb-194
193.98271 195
183 sec
a/EC,5.900
Tl-191/Pb-195
194.98075 196
308 sec
a/EC,7.360
Tl-192/Pb-196
195.98061 197
9.33 min
a/EC,5.200
Tl-193/Pb-197
196.97893 198
10.3 min
EC,6.560 MeV
Pb-198
197.97902

199
27 min
a/EC,4.340
Tl-195/Pb-199
198.97757 200
36.4 min
EC,5.890 MeV
Pb-200
199.97814 201
108 min
a/EC,3.840
Tl-197/Pb-201
200.97697 202
1.72 hr
a/EC,5.160
Tl-198/Pb-202
201.97768 203
11.76 hr
a/EC,3.253
Tl-199/Pb-203
202.97686 204
11.22 hr
EC,4.438 MeV
Pb-204
203.97779 205
15.31 da
EC,2.708 MeV
Pb-205
204.97737

206
6.243 da
EC,3.758 MeV
Pb-206
205.97848 207
31.55 yr
EC,2.399 MeV
Pb-207
206.97845 208
3.68E+5 yr
EC,2.880 MeV
Pb-208
207.97972 209 100%

Stable

208.98038 210
5.013 da
a/B-,1.163
Tl-206/Po-210
209.98410 211
2.14 min
a/B-,6.751
Tl-207/Po-211
210.98725 212
60.55 min
a/B-/B-a,2.254
Tl-208/Po-212/Pb-208
211.99127

213
45.59 min
a/B-,1.426
Tl-209/Po-213
212.99437 214
19.9 min
a/B-,3.272
Tl-210/Po-214
213.99869 215
7.6 min
B-,2.250 MeV
Po-215
215.00183 216
3.6 min
B-,4.000 MeV
Po-216
216.00620 MASS abund.
Halflife
Particle, Energy
Decay Product(s)
Isotopic Mass

Atomic number	-	83		Density	g/mL	9	.8
Atomic weight	u	208	.9804	Melting point	K	544	.52
Bonding radius	A	1	.46	Boiling point	K	1837
Atomic radius	A	1	.63	Heat of vaporization	kJ/mol	104	.8
Ionization Potential	V	7	.289	Heat of fusion	kJ/mol	11	.3
Electronegativity	-	2	.02	Specific heat	J/gK	0	.12
The oxide is mildly acidic.				Crystal are rhombohedral.
Electron config. : [Xe] 4f¹⁴ 5d¹⁰ 6s² 6p³

187 35 msec a,7.690 MeV Tl-183 186.99345	188 44 msec a/EC,7.270 Tl-184/Pb-188 187.99216	188a 0.21 sec EC,10.400 MeV Pb-188 187.99216	189 680 msec a/EC,7.270 Tl-185/Pb-189 188.98947	190 5.7 sec a/EC,6.862 Tl-186/Pb-190 189.98851	191 12 sec a/EC,6.781 Tl-187/Pb-191 190.98604	191a 150 msec EC,7.542 MeV Pb-191 190.98636
192 34.6 sec a/EC,9.000 Tl-188/Pb-192 191.98536	193 67 sec a/EC,6.500 Tl-189/Pb-193 192.98303	194 95 sec a/EC,8.200 Tl-190/Pb-194 193.98271	195 183 sec a/EC,5.900 Tl-191/Pb-195 194.98075	196 308 sec a/EC,7.360 Tl-192/Pb-196 195.98061	197 9.33 min a/EC,5.200 Tl-193/Pb-197 196.97893	198 10.3 min EC,6.560 MeV Pb-198 197.97902
199 27 min a/EC,4.340 Tl-195/Pb-199 198.97757	200 36.4 min EC,5.890 MeV Pb-200 199.97814	201 108 min a/EC,3.840 Tl-197/Pb-201 200.97697	202 1.72 hr a/EC,5.160 Tl-198/Pb-202 201.97768	203 11.76 hr a/EC,3.253 Tl-199/Pb-203 202.97686	204 11.22 hr EC,4.438 MeV Pb-204 203.97779	205 15.31 da EC,2.708 MeV Pb-205 204.97737
206 6.243 da EC,3.758 MeV Pb-206 205.97848	207 31.55 yr EC,2.399 MeV Pb-207 206.97845	208 3.68E+5 yr EC,2.880 MeV Pb-208 207.97972	209 100% Stable 208.98038	210 5.013 da a/B-,1.163 Tl-206/Po-210 209.98410	211 2.14 min a/B-,6.751 Tl-207/Po-211 210.98725	212 60.55 min a/B-/B-a,2.254 Tl-208/Po-212/Pb-208 211.99127
213 45.59 min a/B-,1.426 Tl-209/Po-213 212.99437	214 19.9 min a/B-,3.272 Tl-210/Po-214 213.99869	215 7.6 min B-,2.250 MeV Po-215 215.00183	216 3.6 min B-,4.000 MeV Po-216 216.00620	MASS abund. Halflife Particle, Energy Decay Product(s) Isotopic Mass