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Helium

Zosankha 2 · 4.0026 u

Noble Gas s-block Mphindi 1 _Grupu 18 Gasi pa RT Wikipedia →

Helium ndi chinthu choyamba chowala kwambiri komanso choyamba chochuluka kwambiri m'dziko lapansi.

Zochita za Fiziki

Mafuta4.0026 u
Kuwala0.0001785 g/cm³
Kutentha0.95 K
Kutentha4.22 K
KuonekaGasi lopanda mtundu
State at Room TempGasi

Makhalidwe a Chemical

1st Ionization Energy2372.3 kJ/mol
Electron Affinity-48.0 kJ/mol
Oxygen0

Zosankha

Kusintha kwa ma electron1s2
Atomic radius31.0 pm
Covalent Radius28.0 pm
Kuwala kwa Van der Waals140.0 pm

Kupeza

Kupezeka ndiPierre Janssen, Joseph Norman Lockyer
Kuzindikira chaka1868
MaloGuntur, India / London, England
Analimbikitsidwa ndiChigiriki 'helios' chomwe chimatanthauza dzuwa

Za ine Helium

Helium ndi mtundu, wopanda fungo, wopanda fungo, wopanda fungo, wopanda fungo, wopanda fungo, wopanda fungo, wopanda fungo, wopanda fungo, wopanda fungo, wopanda fungo, wopanda fungo, wopanda fungo, wopanda fungo, wopanda fungo, wopanda fungo, wopanda fungo, wopanda fungo, wopanda fungo, wopanda fungo, wopanda fungo, wopanda fungo, wopanda fungo, wopanda fungo, wopanda fungo, wopanda fungo, wopanda fungo, wopanda fungo, wopanda fungo, wopanda fungo, wopanda fungo, wopanda fungo, wopanda fungo, wopanda fungo, wopanda fungo, wopanda fungo, wopanda fungo, wopanda fungo, wopanda fungo, wopanda fungo, wopanda fungo, wopanda fungo, wopanda fungo, wopanda fungo, wopanda fungo, wopanda fungo, wopanda fungo, wopanda fungo, wopanda fungo, wopanda fungo, wopanda fungo, wopanda fungo, wopanda fungo, wopanda fungo, wopanda fungo, wopanda fungo, wopanda fungo, wopanda fungo, wopanda fungo, wopanda fungo, wopanda fungo, wopanda fungo, wopanda fungo, wopanda fungo, wopanda fungo, wopanda fungo, wopanda fungo, wopanda fungo, wopanda fungo, wopanda fungo, wopanda fungo, wopanda fungo, wopanda fungo, wopanda fungo, wopanda fungo, wopanda fungo, wopanda fungo, wopanda fungo, wopanda fungo, wopanda fungo, wopanda fungo, wopanda fungo, wopanda fungo, wopanda fungo, wopanda fungo, wopanda fungo, wopanda fungo, wopanda fungo, wopanda fungo, wopanda fungo, wopanda fungo, wopanda fungo, wopanda fungo, wopanda fungo, wopanda fungo, wopanda fungo, wopanda fungo, wopanda fungo, wopanda fungo, wopanda fungo, wopanda fungo, wopanda fungo, wo

Kugwiritsa ntchito & Maphunziro

Cryogenics, makina a MRI, ma balloons a party, mgwirizano wa gasi wodyetsa m'madzi, kuzindikira kusefukira, ndi kupanga ma semiconductor.

Fun Facts

Helium ndi chinthu chokha chomwe chidapezeka m'nyanja yapakati pa dziko lapansi, ndipo chidapezeka koyamba m'ma spektra a dzuwa panthawi ya kuwala kwa dzuwa mu 1868.

Isotopes

Kukula kwa maselo Kuchuluka Half-Life Wolimba
3 0.00000134% - Yes
4 0.99999866% - Yes

Kusintha kwa ma electron

1s2

Kuyerekezera

Kuyerekezera ndi zina zinthu

Kutsegula Zomwe Zimafananiza
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