Radium

Symbol

Ra

Atomic number

88

Atomic mass

226.025

Thermal conductivity

0.186

Atomic radius

...

Covalent radius

...

Density

5.00

Atomic volume

45.2

Melting point

973

Oxidation states

2

Boiling point

1413

Stable isotopes

0

Heat of vapor.

...

Electronegativity

0.9

Heat of fusion

...

First ionization

...

Specific heat

...

Electrical conduct.

...

Electron configuration

General description

Index

Periodic Table

Chemistry concepts

Radium

Radium is a metal whose compounds are similar to those of Barium.

Radium is notable primarily for its radioactivity.

Index

Periodic Table

Chemistry concepts

Radium Nuclear Data

Z	A	Atomic Mass (u)	Nuclear Mass(GeV/c²)	Binding Energy(MeV)	Spin	Natural Abund.	Half-life	Decay	Q MeV
88	206	206.003800	191.8479	1590.3	0	...	0.4s	a	7.42
88	216	216.003509	201.1626	1671.3	0	...	0.18s	a	9.53
88	218	218.007118	203.0290	1684.1	0	...	14ms	a	8.55
88	220	220.011004	204.8956	1696.6	0	...	23ms	a	7.59
88	222	222.015353	206.7627	1708.7	0	...	38s	a	5.59
88	223	223.018501	207.6971	1713.9	3/2	...	11.43d	a	5.98
88	224	224.020186	208.6302	1720.4	0	...	3.66d	a	5.79
88	225	225.023604	209.5649	1725.2	3/2	...	14.8d	b-	0.37
88	226	226.025403	210.4981	1731.6	0	...	1.599ky	a	4.87
88	228	228.031064	212.3663	1742.5	0	...	5.75y	b-	0.045

Index

Periodic Table

Chemistry concepts