U bood nuxurka
Eeg dhammaan casharrada
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Atamka, walxaha iyo xeryahooda • Kimistari

Curiyeyaasha birta ah

Natiijada casharka

Waxaan sharxi karaa sifooyinka curiyeyaasha birta ah (metallic elements) oo aan barbardhigi karaa kuwa aan birta ahayn (non-metal elements).