francium-221 (Q18888691)
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isotope of francium
- Fr-221
- 221Fr
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | francium-221 |
isotope of francium |
|
Statements
221.014253757±0.000005245 dalton
87
0 references
134
0 references
−1
1 reference
2.5
1 reference
13,277.29±4.886 kiloelectronvolt
1 reference
1 reference
286.1±1 second
1 reference
1,702,419.576±4.862 kiloelectronvolt