Zn - Zinc

Usually a grey colored transition metal, zinc was known in ancient Asia and early Europe. It can be easilly alloyed with copper and other metals and so has found wide metalurgical use. Lately zinc gluconate has become popular as a cold remedy. Our students explore the chemical activity and electrochemical properties of zinc.

Atomic number - 30 Density g/mL 7 .14

Atomic weight u 65 .38 Melting point K 692 .73

Bonding radius A 1 .25 Boiling point K 1180

Atomic radius A 1 .53 Heat of vaporization kJ/mol 115 .3

Ionization Potential V 9 .394 Heat of fusion kJ/mol 7 .322

Electronegativity - 1 .65 Specific heat J/gK 0 .39

The oxide is amphoteric.
Crystal are hexagonal.

Electron config. : [Ar] 3d¹⁰ 4s²

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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 Zn: Click mass number for decay process, product for element page.

057
40 msec
EC/ECp,14.620
Cu-57/Ni-56
56.964905 058
65 msec
EC,9.370 MeV
Cu-58
57.954599 059
182.0 msec
EC/ECp,9.090
Cu-59/Ni-58
58.949264 060
2.38 min
EC,4.158 MeV
Cu-60
59.941832 061
89.1 sec
EC,5.637 MeV
Cu-61
60.939513 062
9.186 hr
EC,1.627 MeV
Cu-62
61.934333 063
38.47 min
EC,3.367 MeV
Cu-63
62.933215

064 48.6%

Stable

63.929146 065
244.26 da
EC,1.351 MeV
Cu-65
64.929244 066 27.9%

Stable

65.926036 067 4.1%

Stable

66.927130 068 18.8%

Stable

67.924847 069
56.4 min
B-,2.675 MeV
Ga-69
68.926553 070 0.6%
5E+14 yr
,6.739 MeV

69.925324

071
2.45 min
B-,2.813 MeV
Ga-71
70.927726 072
46.5 hr
B-,8.220 MeV
Ga-72
71.926863 073
23.5 sec
B-,4.290 MeV
Ga-73
72.929779 074
95.6 sec
B-,2.340 MeV
Ga-74
73.929457 075
10.2 sec
B-,6.000 MeV
Ga-75
74.932935 076
5.7 sec
B-,4.160 MeV
Ga-76
75.933397 077
2.08 sec
B-,7.270 MeV
Ga-77
76.937090

078
1.47 sec
B-,6.440 MeV
Ga-78
77.938571 079
0.995 sec
B-/B-n,9.090
Ga-79/Ga-78
78.942672 080
0.545 sec
B-/B-n,7.290
Ga-80/Ga-79
79.944411 081
0.29 sec
B-/B-n,11.900
Ga-81/Ga-80
80.950509 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	-	30		Density	g/mL	7	.14
Atomic weight	u	65	.38	Melting point	K	692	.73
Bonding radius	A	1	.25	Boiling point	K	1180
Atomic radius	A	1	.53	Heat of vaporization	kJ/mol	115	.3
Ionization Potential	V	9	.394	Heat of fusion	kJ/mol	7	.322
Electronegativity	-	1	.65	Specific heat	J/gK	0	.39
The oxide is amphoteric.				Crystal are hexagonal.
Electron config. : [Ar] 3d¹⁰ 4s²
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057 40 msec EC/ECp,14.620 Cu-57/Ni-56 56.964905	058 65 msec EC,9.370 MeV Cu-58 57.954599	059 182.0 msec EC/ECp,9.090 Cu-59/Ni-58 58.949264	060 2.38 min EC,4.158 MeV Cu-60 59.941832	061 89.1 sec EC,5.637 MeV Cu-61 60.939513	062 9.186 hr EC,1.627 MeV Cu-62 61.934333	063 38.47 min EC,3.367 MeV Cu-63 62.933215
064 48.6% Stable 63.929146	065 244.26 da EC,1.351 MeV Cu-65 64.929244	066 27.9% Stable 65.926036	067 4.1% Stable 66.927130	068 18.8% Stable 67.924847	069 56.4 min B-,2.675 MeV Ga-69 68.926553	070 0.6% 5E+14 yr ,6.739 MeV 69.925324
071 2.45 min B-,2.813 MeV Ga-71 70.927726	072 46.5 hr B-,8.220 MeV Ga-72 71.926863	073 23.5 sec B-,4.290 MeV Ga-73 72.929779	074 95.6 sec B-,2.340 MeV Ga-74 73.929457	075 10.2 sec B-,6.000 MeV Ga-75 74.932935	076 5.7 sec B-,4.160 MeV Ga-76 75.933397	077 2.08 sec B-,7.270 MeV Ga-77 76.937090
078 1.47 sec B-,6.440 MeV Ga-78 77.938571	079 0.995 sec B-/B-n,9.090 Ga-79/Ga-78 78.942672	080 0.545 sec B-/B-n,7.290 Ga-80/Ga-79 79.944411	081 0.29 sec B-/B-n,11.900 Ga-81/Ga-80 80.950509	MASS abund. Halflife Particle, Energy Decay Product(s) Isotopic Mass