Electron Configuration: 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 5s2 5p6 4f14 5d10 6s2 6p6 7s2
Name |
Radium |
Symbol |
Ra |
Atomic Number |
88 |
Atomic Mass |
226 |
Number of Protons |
88 |
Number of electrons |
88 |
Number of Neutrons |
138 |
Melting Point |
1,2865 F |
Boiling point |
3,159 |
Normal Phrase |
solid |
Family |
|
Period |
7 |
Group |
2 |
Origin of name |
The origin of name comes from the latin word radius meaning ray. |
Value |
|