Ibintu
Hejuru Kuri 4 Ibintu Kuri Gutandukanya Indangakintu: ku.
Ra
Radium
#88 · Alkali
| Ibara: | 226.02541 u |
| Impuzandengo | 5.5 g/cm³ |
| Gutandukanya | 973.0 K |
| Gukoporora | 2010.0 K |
| Ibara: | 0.9 |
| Ikoresha: | 509.3 kJ/mol |
| Akarambararo | 221.0 pm |
| Gukata | S - |
| Leta | Ikomeye |
| Iboneza | [Rn] 7s2 |