Kalisi : Tofauti kati ya masahihisho

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Mstari 19:
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'''Kalisi''' ni [[elementi]] na [[metali ya udongo alikalinialkalini]] yenye [[namba atomia]] '''20''' kwenye [[mfumo radidia]] ina [[uzani atomia]] 40.078. [[Alama]] yake ni '''Ca'''. [[Jina]] linahusiana na [[neno]] la [[Kilatini]] ''calx'' ([[mawe]] ya [[chokaa]]).
 
== Tabia ==