Cs

Cesium

Zosankha 55 · 132.91 u

Alkaline Metal s-block Mphindi 6 _Grupu 1 M'gululi pa RT Wikipedia →

Cesium ndi electropositive kwambiri yolimba element ndi amatanthauza mphindi m'maola a atomu.

Zochita za Fiziki

Mafuta132.91 u
Kuwala1.873 g/cm³
Kutentha301.59 K
Kutentha944.0 K
KuonekaSilvery gold metallic
State at Room TempM'gululi

Makhalidwe a Chemical

Electronegativity0.79 (Pauling)
1st Ionization Energy375.7 kJ/mol
Electron Affinity45.5 kJ/mol
Oxygen+1

Zosankha

Kusintha kwa ma electron[Xe] 6s1
Atomic radius265.0 pm
Covalent Radius244.0 pm
Kuwala kwa Van der Waals343.0 pm

Kupeza

Kupezeka ndiRobert Bunsen, Gustav Kirchhoff
Kuzindikira chaka1860
MaloHeidelberg, Germany
Analimbikitsidwa ndiLatin 'caesius' kutanthauza buluu wa kumwamba, kuchokera ku mizere yake ya spectral

Za ine Cesium

Cesium ndi m'mimba mwake, silvery-golide alkali metal ndi kusungunuka mfundo ya 28.44 madigiri C.It ndi kwambiri reactive ndi pyrophoric.Cesium-133 amatanthauza m'munsimu m'njira ya SI.

Kugwiritsa ntchito & Maphunziro

Maola a atomiki, mafuta odzitetezera, ma cell a photoelectric, ndi mankhwala a radiation.

Fun Facts

M'ma 1960, sayansi inazindikira kuti mphindi ndi nthawi yofanana ndi 9.192.631.770 ya ma oscillations a atomu ya cesium-133.

Isotopes

Kukula kwa maselo Kuchuluka Half-Life Wolimba
133 1.0% - Yes

Kusintha kwa ma electron

[Xe] 6s1

Kuyerekezera

Kuyerekezera ndi zina zinthu

Kutsegula Zomwe Zimafananiza
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