I am not sure what you mean by atoms, i think you mean electrons (part of an atom).
Calcium is in Group 2 of the Periodic Table so this means that in order to become stable it will lose 2 electrons.
there are 20 atoms in calcium
Calcium sulfide (CaS) has two atoms.
There are 6.02 x 10^23 atoms of calcium in 1 gram of calcium.
Calcium hypochlorite - Ca(ClO)2 has 5 atoms.
61,5 g calcium contain 9,241.10e23 atoms.
Calcium iodide has a total of 3 atoms: 1 calcium atom and 2 iodine atoms.
In a molecule of calcium (Ca), there are no atoms of oxygen. Calcium itself does not contain any oxygen atoms in its molecular formula.
Calcium iodide (CaI2) has two iodine atoms and one calcium atom.
If two chlorine atoms attract electrons from two calcium atoms, they will form ionic bonds. The chlorine atoms will gain one electron each to achieve a full outer shell, forming chloride ions, while the calcium atoms will lose two electrons each to become calcium ions. The resulting compound will be calcium chloride, with the formula CaCl2.
There are 4 calcium atoms, 8 chlorine atoms, and 2 carbon atoms in 4CaCl2 (calcium chloride).
There are three calcium (Ca) atoms in the compound Ca(NO3)2.
one molecule of calcium carbonate (ca co3) contains 5 atoms.