What is Calcium Element?
Answers
Answered by
1
Answer:
- Calcium is a chemical element with the symbol Ca and atomic number 20.
- As an alkaline earth metal, calcium is a reactive metal that forms a dark oxide-nitride layer when exposed to air.
- Its physical and chemical properties are most similar to its heavier homologues strontium and barium.
- It is the fifth most abundant element in Earth's crust, and the third most abundant metal, after iron and aluminium
Similar questions