Calcium





__[]__ __ 0 Ca 96.941% One of the calcium’s isotopes is 40 Ca is [|__stable__] with 20 [|__neutrons__]. [] Calcium in callem two row four. __ __[]__ Sir. Humphrry Davy discovered the calcium element in 1808.  __[] []__ __[]__

One of the things calcium is used for is tanning leather. Did you know? Calcium is essential to all living things! So drink all your milk!