Input interpretation
rutherfordium (chemical element) | hassium (chemical element)
Periodic table location
Periodic table location
Images
Images
Basic elemental properties
![| rutherfordium | hassium atomic symbol | Rf | Hs atomic number | 104 | 108 short electronic configuration | [Rn]7s^25f^146d^2 | [Rn]7s^25f^146d^6 Aufbau diagram | 6d 5f 7s | 6d 5f 7s block | d | d group | 4 | 8 period | 7 | 7 atomic mass | 267 u | 270 u half-life | 13 h | 67 min](../image_source/a20705ee1c9687af17dc439e183b2a23.png)
| rutherfordium | hassium atomic symbol | Rf | Hs atomic number | 104 | 108 short electronic configuration | [Rn]7s^25f^146d^2 | [Rn]7s^25f^146d^6 Aufbau diagram | 6d 5f 7s | 6d 5f 7s block | d | d group | 4 | 8 period | 7 | 7 atomic mass | 267 u | 270 u half-life | 13 h | 67 min
Reactivity
| rutherfordium valence | 4
Atomic properties
| rutherfordium | hassium term symbol | ^3F_2 | ^5D_4 (electronic ground state properties)
Abundances
| rutherfordium | hassium solar abundance | 0 mass% | 0 mass% meteorite abundance | 0 mass% | 0 mass% crust abundance | 0 mass% | 0 mass% ocean abundance | 0 mass% | 0 mass% human abundance | 0 mass% | 0 mass% solar molar abundance | 0 mol% | 0 mol% meteorite molar abundance | 0 mol% | 0 mol% ocean molar abundance | 0 mol% | 0 mol% crust molar abundance | 0 mol% | 0 mol% human molar abundance | 0 mol% | 0 mol%
Nuclear properties
| rutherfordium | hassium half-life | 13 h | 67 min lifetime | 19 h | 83 min specific radioactivity | 33169 TBq/g | 446085 TBq/g decay mode | alpha emission | alpha emission nuclear spin | Rf-253: 7/2^+ | Rf-254: 0^+ | Rf-255: 9/2^- | Rf-256: 0^+ | Rf-257: 1/2^+ | Rf-258: 0^+ | Rf-259: 7/2^+ | Rf-260: 0^+ | Rf-261: 3/2^+ | Rf-262: 0^+ | Rf-263: 3/2^+ | Rf-264: 0^+ | Rf-265: 3/2^+ | Rf-266: 0^+ | Rf-268: 0^+ | Hs-263: 7/2^+ | Hs-264: 0^+ | Hs-265: 9/2^+ | Hs-266: 0^+ | Hs-267: 3/2^+ | Hs-268: 0^+ | Hs-270: 0^+ | Hs-272: 0^+ | Hs-273: 3/2^+ | Hs-274: 0^+ | Hs-276: 0^+ | Hs-277: 3/2^+ unstable isotopes | Rf-265 (13 h) | Rf-266 (10 h) | Rf-267 (5.6 h) | Rf-268 (67 min) | Rf-264 (67 min) | Rf-263 (10 min) | Rf-261 (65 s) | Rf-257 (4.7 s) | Rf-259 (3.2 s) | Rf-262 (2.3 s) | Rf-255 (1.68 s) | Rf-260 (21 ms) | Rf-253 (13 ms) | Rf-258 (12 ms) | Rf-256 (6.45 ms) | Rf-254 (23 µs) | Hs-276 (67 min) | Hs-277 (40 min) | Hs-275 (30 min) | Hs-274 (60 s) | Hs-273 (50 s) | Hs-272 (40 s) | Hs-271 (40 s) | Hs-269 (27 s) | Hs-270 (3.6 s) | Hs-268 (2 s) | Hs-267 (52 ms) | Hs-266 (2.3 ms) | Hs-265 (2 ms) | Hs-263 (1 ms) | Hs-264 (800 µs)
Identifiers
| rutherfordium | hassium CAS number | 53850-36-5 | 54037-57-9 PubChem CID number | | 56951714