Zinc 30

Atomic No. Order:

Alphabetic Order:

Periodic Table

2, 8, 18,

Zn
30

Cd
48

Hg
80

Uub
112

Uhb
162

Bub
212

Zinc

Symbol

Atomic Number

Relative Atomic Mass
¹²C = 12.0000

65.38 ± 0.02 [ IUPAC 2007 ]

Atomic Radius pm

133

First Ionisation Energy
kJ mol ^-1

906.4

Ionisation Energy (eV)

9.3942

Electronegativity

1.65

Density
kg m ^-3

7133 [293 K]
6577 [l., m.p.]

Molar Volume cm ³

9.17

Thermal Conductivity
W m ^-1 K ^-1

116 [300 K]

Melting Point K

692.73

Boiling Point K

1180

Number of Isotopes

Isotope Atomic mass/u Mole fraction

64Zn 63.929 1461(18) 0.482 68(321)
66Zn 65.926 0364(17) 0.279 75(77)
67Zn 66.927 1305(17) 0.041 02(21)
68Zn 67.924 8473(17) 0.190 24(123)
70Zn 69.925 325(4) 0.006 31(9)

Inner + outer Shells

Inner + outer Orbitals

Filling Orbital

4s ²

Ground State Electron
Configuration

[Ar]

3d ¹⁰

4s ²

Ground State Electron
Configuration with
free Orbitals (n=6)

0, 0, 0, 6

Ground State Electron
Configuration with
compressed Orbitals (n=24)

0, 0, 0, 24

Singularity

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

Term Symbol

¹S ₀

Discovery

It was recognized as a metal as early as 1374.

Name Derived From

The name derives from the German zink of unknown origin. It was first used in prehistoric times, where its compounds were used for healing wounds and sore eyes and for making brass.

APSIDIUM ©	Created:		2002-06-01		030.pdf
	Page update:		2007-12-09		030.pdf