The +2 calcium ion and the two -1 chloride ions attract each other and form an ionic bond and the compound calcium chloride. One calcium and two chlorine atoms are near each other. An electron from ...

Figure caption, Two atoms sharing a pair of electrons ... Chlorine will gain an electron and form a negative ion. The ionic bond is the force of attraction between the oppositely charged ions ...

Dot and cross diagrams help us to model when ions are formed from atoms. Here’s an example using sodium and chlorine. They form ions which bond to form sodium chloride. 2. Work out how many ...