calcium ore
Calcium is a metal.
Calcium is a metal element. atomic number of it is 20.
Calcium is a natural chemical element, a solid metal.
metal.
No, it is not. Calcium is a metal but calcium carbonate is not.
Calcium is a metal.
Calcium is a metal
Calcium does not react with metal because it is a metal.
Calcium is a metal (an alkaline earth metal)
Calcium is the metal present in calcium hydroxide..
Calcium is a Metal.
No, calcium is a metal.
calcium is a metal
Calcium is not a non-metal, it is an alkaline earth metal.
Calcium is a metal and is a hard one
The element calcium is a metal. It turns out that calcium (Ca) is in Group 2 of the periodic table, and all the elements in Group 1 and Group 2 are "true" metals.