Re - Rhenium

	Atomic number	-	75			Density	g/mL	21
	Atomic weight	u	186	.207		Melting point	K	3453
	Bonding radius	A	1	.28		Boiling point	K	5869
	Atomic radius	A	1	.97		Heat of vaporization	kJ/mol	715
	Ionization Potential	V	7	.88		Heat of fusion	kJ/mol	33	.2
	Electronegativity	-	1	.9		Specific heat	J/gK	0	.13
	The oxide is mildly acidic.					Crystal are hexagonal.
	Electron config. : [Xe] 4f14 5d5 6s2
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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 Re: Click mass number for decay process, product for element page.

160 0.79 msec a/p,1.290 MeV Ta-156/W-159 159.98153	161 15 msec a,6.440 MeV Ta-157 160.97767	162 0.10 sec a/EC,11.500 Ta-158/W-162 161.97573	163 260 msec a/EC,6.010 Ta-159/W-163 162.97196	164 0.53 sec a/EC,5.920 Ta-160/W-164 163.97047	165 2.4 sec a/EC,8.120 Ta-161/W-165 164.96705	166 2.8 sec a,5.640 MeV Ta-162 165.96580
167 3.4 sec a/EC,5.240 Ta-163/W-167 166.96259	168 4.4 sec a/EC,9.100 Ta-164/W-168 167.96156	169 8.1 sec a/EC,6.600 Ta-165/W-169 168.95882	170 9.2 sec EC,8.300 MeV W-170 169.95813	171 15.2 sec EC,5.670 MeV W-171 170.95544	172 15 sec EC,7.300 MeV W-172 171.95534	173 1.98 min EC,4.800 MeV W-173 172.95308
174 2.40 min EC,6.500 MeV W-174 173.95308	175 5.89 min EC,4.300 MeV W-175 174.95136	176 5.3 min EC,5.600 MeV W-176 175.95157	177 14 min EC,3.400 MeV W-177 176.95027	178 13.2 min EC,4.660 MeV W-178 177.95085	179 19.5 min EC,2.710 MeV W-179 178.94998	180 2.44 min EC,3.800 MeV W-180 179.95078
181 19.9 hr EC,1.739 MeV W-181 180.95006	182 64.0 hr EC,2.800 MeV W-182 181.95120	183 70.0 da EC,1.070 MeV W-183 182.95082	184 38.0 da EC,1.483 MeV W-184 183.95252	185 37.40% Stable 184.95295	186 89.25 hr B-/EC,1.069 Os-186/W-186 185.95498	187 62.60% 4.35E10 yr a/B-,1.311 Ta-183/Os-187 186.95575
188 17.021 hr B-,2.120 MeV Os-188 187.95811	189 24.3 hr B-,1.009 MeV Os-189 188.95922	190 3.1 min B-,3.150 MeV Os-190 189.96182	191 9.8 min B-,2.045 MeV Os-191 190.96312	192 16 sec B-,4.170 MeV Os-192 191.96595	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.