what is calcium??
ya sis
all 4 people working hard for living and me enjoying like there's no tmr!!
lol
Answers
Answered by
2
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
Answered by
2
Answer:
Calcium is a chemical element with the symbol Ca . 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.
Similar questions