Fransi


Fransi (Francium)
Tabia ta Fransi
Tabia ta Fransi
Jina la Elementi Fransi (Francium)
Alama Fr
Namba atomia 87
Mfululizo safu Metali alikali
Uzani atomia 223
Valensi 2, 8, 18, 32, 18, 8, 1
Densiti 1.87
Ugumu (Mohs) {{{ugumu}}}
Kiwango cha kuyeyuka 300  K (27  °C)
Kiwango cha kuchemka 950K (677 °C)
Hali maada mango

Fransi ni elementi na metali alikali yenye namba atomia 87 kwenye mfumo radidia na uzani atomia 223. Alama yake ni Fr. Fransi ni elementi nururifu sana.


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