Concept: calcium
Label (en): calcium
Description (en): chemical element with symbol Ca and atomic number 20
Also known as (en): Ca, element 20, 20Ca
Label (es): calcio
Description (es): elemento de número atómico 20
Also known as (es): Ca
Label (ca): calci
Description (ca): element químic amb nombre atòmic 20
Also known as (ca): Ca
Label (it): calcio
Instance of: chemical element, essential medicine, lithophile
Subclass of: alkaline earth metal