Ce

Cerium

Zosankha 58 · 140.12 u

Lanthanide f-block Mphindi 6 M'gululi pa RT Wikipedia →

Cerium ndi chinthu chosadziwika kwambiri cha dziko lapansi, chomwe chimagwiritsa ntchito ma convertor a catalytic ndi kusindikiza kwa galasi.

Zochita za Fiziki

Mafuta140.12 u
Kuwala6.77 g/cm³
Kutentha1068.0 K
Kutentha3716.0 K
KuonekaSilvery- white metallic
State at Room TempM'gululi

Makhalidwe a Chemical

Electronegativity1.12 (Pauling)
1st Ionization Energy534.4 kJ/mol
Electron Affinity55.0 kJ/mol
Oxygen+3, +4

Zosankha

Kusintha kwa ma electron[Xe] 4f1 5d1 6s2
Atomic radius181.0 pm
Covalent Radius204.0 pm
Kuwala kwa Van der Waals235.0 pm

Kupeza

Kupezeka ndiJons Jacob Berzelius, Wilhelm Hisinger
Kuzindikira chaka1803
MaloStockholm, Sweden
Analimbikitsidwa ndiImeneyi ilipo chifukwa cha planetary system ya Ceres

Za ine Cerium

Cerium ndi mchenga wolimba, wobiriwira, wolimba kwambiri kuposa siliva. Cerium imatha kusintha pakati pa +3 ndi +4 oxidation states. Cerium oxide ndi katalisati waukulu.

Kugwiritsa ntchito & Maphunziro

Ma convertor a catalytic, kusindikiza kwa galasi, ma furnaces othamanga, ma flint otentha, ndi magalasi otulutsa UV.

Fun Facts

Ngakhale kuti amatchedwa "dziko lopanda malire," cerium ndi yochuluka kwambiri m'madzi a dziko kuposa siliva, golide, kapena tin.

Isotopes

Kukula kwa maselo Kuchuluka Half-Life Wolimba
136 0.00185% - Yes
138 0.00251% - Yes
140 0.8845% - Yes
142 0.11114% - Yes

Kusintha kwa ma electron

[Xe] 4f1 5d1 6s2

Kuyerekezera

Kuyerekezera ndi zina zinthu

Kutsegula Zomwe Zimafananiza
← Lanthanide Kubwerera ku tabula Praseodymium →