Ampitahao ireo singantaharo
Safidio ny singantaharo 4 farafahakeliny mba hampitaha ny toetoetr'izy ireo mifampitohy.
He
Helium
#2 · Gasy
| Mass | 4.0026 u |
| Fiparitahan'ny loko | 0.0001785 g/cm³ |
| Mikoriana | 0.95 K |
| Mameno | 4.22 K |
| Arika | 2372.3 kJ/mol |
| Atomic radius | 31.0 pm |
| Block | s-block |
| Fanjakana (RT) | Gasy |
| Fandrindrana | 1s2 |