Tin 50

Atomic No. Order:

Alphabetic Order:

Periodic Table

2, 8, 18,

18, 4

C
6

Si
14

Ge
32

Sn
50

Pb
82

Uuq
114

Uhq
164

Buq
214

Tin

Symbol

Atomic Number

Relative Atomic Mass
¹²C = 12.0000

118.710 (±7) [Since 1983]

Significant Atomic Mass

118
Neutrons 68

Atomic Radius pm

141

First Ionisation Energy
kJ mol ^-1

708.6

Ionisation Energy (eV)

7.3439

Electronegativity

1.96

Density
kg m ^-3

5750 (±) [293 K]
7310 (²) [293 K]
6973 [l., m.p.]

Molar Volume cm ³

16.24 (²)

Thermal Conductivity
W m ^-1 K ^-1

66.6 (±) [300 K]

Melting Point K

505.118

Boiling Point K

2543

Number of Isotopes

Isotope Atomic mass/u Mole fraction

112Sn 111.904 822(5) 0.0097(1)
114Sn 113.902 783(3) 0.0066(1)
115Sn 114.903 347(3) 0.0034(1)
116Sn 115.901 745(3) 0.1454(9)
117Sn 116.902 955(3) 0.0768(7)
118Sn 117.901 608(3) 0.2422(9)
119Sn 118.903 311(3) 0.0859(4)
120Sn 119.902 1985(27) 0.3258(9)
122Sn 121.903 4411(29) 0.0463(3)
124Sn 123.905 2745(15) 0.0579(5)

Inner + outer Shells

Inner + outer Orbitals

Filling Orbital

5p ²

Ground State Electron
Configuration

[Kr]

4d ¹⁰

5s ²

5p ²

Ground State Electron
Configuration with
free Orbitals (n=4)

0, 0, 0, 0, 4

Ground State Electron
Configuration with
compressed Orbitals (n=56)

0, 0, 0, 14, 42

Singularity

110

	s	p		d	f	g	h	i	j
1	2
2	2	6
3	2	6		10
4	2	6		10	14
5	2	2	4	10	14	18
6
7
8

Term Symbol

³P ₀

Discovery

Known to ancients

Name Derived From

The name derives from the Anglo-Saxon tin of unknown origin. The chemical symbol, [Sn], is derived from Latin stannum for alloys containing lead. The element was known in prehistoric times.

APSIDIUM ©	Created:		2002-07-19		050.pdf
	Page update:		2004-12-12		050.pdf