71086-78-7;7440-59-7 Helium
| ??? ?????? |
Helium |
| ????? ??????????? |
Helium; |
| ?????? ???????? |
He |
| ????? ??????? ??????? |
4.002602 |
| InChI |
InChI=1S/He |
| ?????????? ???????? ??????? |
71086-78-7;7440-59-7 |
| ???????? ????????? ??? |
275-187-7 |
| ???? ?????? |
|
| ????? |
0.1785(0℃) |
| ???? ???????? |
-272.3℃ |
| ???? ??????? |
-268.9℃ |
|