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

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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 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

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

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
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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