By Lorenzo Bergamasco
What is calcium?
Calcium is an alkaline earth metal.
When was the element first discovered?
Who discovered it, and how?
What is the symbol for the element?
Calcium's chemical symbol is Ca.
Why does it have this symbol?
Where is this element found?
It is rare or abundant on Earth?
There are 2 types of calcium, also known as the most common ones are: calcium carbonate and calcium citrate.
There are many uses for calcium: Humans use to kind of strengthen muscles, for example milk. Humans drink milk because it contains a lot of calcium, which gives out a lot of energy.
Or when building or for chemical experiments.