Bi - Bismuth

A heavy metal, bismuth has been known since Claude Geoffroy distinguished it from lead in 1753. The pictured piece of bismuth may be observed with the emission spectrometer in CHM 154. Bismuth compounds may be used as an analytical reagents in qualitative analysis. Observe the melted crystals in the picture.

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

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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
H He
Li Be B C N O F Ne
Na Mg Al Si P S Cl Ar
K Ca Sc Ti V Cr Mn Fe Co Ni Cu Zn Ga Ge As Se Br Kr
Rb Sr Y Zr Nb Mo Tc Ru Rh Pd Ag Cd In Sn Sb Te I Xe
Cs Ba La* Hf Ta W Re Os Ir Pt Au Hg Tl Pb Bi Po At Rn
Fr Ra Ac** Rf Db Sg Bh Hs Mt 110 111 112 113
Lanthanides* Ce Pr Nd Pm Sm Eu Gd Tb Dy Ho Er Tm Yb Lu
Actinides ** Th Pa U Np Pu Am Cm Bk Cf Es Fm Md No Lr

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

Updated by clh on 2/6/98. This is not a publication of Phoenix College.