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<dc:date>2026-06-10T20:31+0000</dc:date>
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<title>H&#xC3;&#xA9;lium</title>
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<description>Latinsk&#xC3;&#xBD; n&#xC3;&#xA1;zov: Helium ;
Zna&#xC4;&#x8D;ka: He ;
Prot&#xC3;&#xB3;nov&#xC3;&#xA9; &#xC4;&#x8D;&#xC3;&#xAD;slo: 2 ;
Oxida&#xC4;&#x8D;n&#xC3;&#xA9; &#xC4;&#x8D;&#xC3;&#xAD;sla: 0 ;
Umiestnenie v PSP: 1. peri&#xC3;&#xB3;da, VIII.A skupina, s prvky ;.

Fyzik&#xC3;&#xA1;lne vlastosti za norm&#xC3;&#xA1;lnych podmienok (t.j. norm&#xC3;&#xA1;lna teplota T = 0 &#xC2;&#xB0;C = -273,15 K a norm&#xC3;&#xA1;lny tlak p = 101325 Pa).
Skupenstvo: plynn&#xC3;&#xA9; ;
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Teplota vyparovania: -268,93 &#xC2;&#xB0;C ;
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<title>Vod&#xC3;&#xAD;k</title>
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<description>Latinsk&#xC3;&#xBD; n&#xC3;&#xA1;zov: Hydrogenium ;          
Zna&#xC4;&#x8D;ka: H ;          
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Umiestnenie v PSP: 1. peri&#xC3;&#xB3;da, I.A skupina, s prvky ;.                             

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Teplota varu: -252,78 &#xC2;&#xB0;C ;         
Hustota: 0,0000899 g/cm3 ;
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