7440-14-4 ?????
| ?? ????? |
????? |
| ?????? |
?????; ????????-X; HSDB 2146; ??????-X |
| ?? ????? |
radium;Radium; Actinium-X; HSDB 2146; Thorium-X |
| ????????? ??????? |
Ra |
| ???? ???????? |
226.0254 |
| InChI |
InChI=1/Ra.2H/rH2Ra/h1H2 |
| ???? CAS |
7440-14-4 |
| EINECS |
231-122-4 |
| ???? ???????? |
|
|