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ID number:757572
 
Author:
Evaluation:
Published: 28.03.2007.
Language: Latvian
Level: Elementary school
Literature: n/a
References: Not used
Extract

Rubīdijs ir ķīmiskais elements ar simbolu Rb un atomskaitli 37. Rubīdijs ir pieskaitāms pie sārmu metāliem. Rubīdijs dabā nav sastopams brīvā veidā, tapēc, ka ir ļoti ķīmiski aktīvs (var uzliesmot gaisā)(intensīvi reaģē ar gaisa skābekli, ūdeni, oglekļa dioksīdu, tāpat, kā visi pārējie sārmu metāli). Rubīdijs ir sastopams dažos minerālos. Tāpat, kā visi sārmu metāli, rubīdijs var būt tikai vienvērtīgs.

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