Calcium is an element. Identify what type of atoms it is made out of.Cadmium atomsCarbon atomsCalcium atomsBoth calcium and carbon atomsI'm not sure

Identify the element that shows similar chemical behaviour to that of calcium.boronstrontiumchlorinesodium

How does calcium become a calcium ion? Refer to the periodic table.

Calcium and magnesium are in the same Group in the Periodic Table. State which Group this is.

Which is/are the ore(s) of calcium?Select an answerALimestoneBGypsumCDolomiteDAll of them

Calcium is element number 20 on the Periodic Table. As an ion it has a +2 charge. How many electrons does a calcium ion have?A4B18C22D20