Sn - Tin

A metal known to the ancients. Its activity and electrochemical properties are explored and tin compounds are used as a reducing agent by our students.

Atomic number - 50 Density g/mL 7 .3
Atomic weight u 118 .69 Melting point K 505 .06
Bonding radius A 1 .41 Boiling point K 2876
Atomic radius A 1 .72 Heat of vaporization kJ/mol 295 .8
Ionization Potential V 7 .344 Heat of fusion kJ/mol 7 .029
Electronegativity - 1 .96 Specific heat J/gK 0 .227
The oxide is amphoteric.
Crystal are tetragonal.

Electron config. : [Kr] 4d10 5s2 5p2


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


100
1.0 sec
EC,5.300 MeV
In-100
99.939344
101
3 sec
EC/ECp,2.500
In-101/Cd-100
100.93601
103
7 sec
EC,7.700 MeV
In-103
102.92817
104
20.8 sec
EC,4.520 MeV
In-104
103.92318
105
31 sec
EC/ECp,6.250
In-105/Cd-104
104.92138
106
115 sec
EC,3.180 MeV
In-106
105.91687
107
2.90 min
EC,5.010 MeV
In-107
106.91566
108
10.30 min
EC,2.092 MeV
In-108
107.91195
109
18.0 min
EC,3.850 MeV
In-109
108.91128
110
4.11 hr
EC,3.940 MeV
In-110
109.90785
111
35.3 min
EC,2.445 MeV
In-111
110.90773
112 0.97%

Stable

111.90482
113
115.09 da
EC,1.036 MeV
In-113
112.90517
113a
21.4 min
EC,1.113 MeV
In-113
112.90525
114 0.65%

Stable

113.90278
115 0.34%

Stable

114.90334
116 14.54%

Stable

115.90174
117 7.68%

Stable

116.90295
118 24.22%

Stable

117.90160
119 8.58%

Stable

118.90331
120 32.59%

Stable

119.90219
121
27.06 hr
B-,3.674 MeV
Sb-121
120.90423
121a
55 yr
B-,3.674 MeV
Sb-121
120.90424
122 4.63%

Stable

121.90344
123
129.2 da
B-,1.404 MeV
Sb-123
122.90572
123a
40.06 min
B-,1.429 MeV
Sb-123
122.90574
124 5.79%

Stable

123.90527
125
9.64 da
B-,2.364 MeV
Sb-125
124.90778
125a
9.52 min
B-,2.392 MeV
Sb-125
124.90781
126
1E+5 yr
B-,8.312 MeV
Sb-126
125.90765
127
2.10 hr
B-,3.201 MeV
Sb-127
126.91035
128
59.07 min
B-,1.274 MeV
Sb-128
127.91053
129
2.23 min
B-,4.000 MeV
Sb-129
128.91344
130
3.72 min
B-,2.150 MeV
Sb-130
129.91385
131
56.0 sec
B-,4.638 MeV
Sb-131
130.91692
132
39.7 sec
B-,3.300 MeV
Sb-132
131.91774
133
1.45 sec
B-/B-n,7.990
Sb-133/Sb-132
132.92381
134
1.12 sec
B-/B-n,6.800
Sb-134/Sb-133
133.92785
MASS abund.
Halflife
Particle, Energy
Decay Product(s)
Isotopic Mass