Sodium becomes a positive ion and chlorine becomes a negative ion ... The +2 calcium ion and the two -1 chloride ions attract each other and form an ionic bond and the compound calcium chloride. One ...

sodium + chlorine → sodium chloride magnesium + oxygen → magnesium oxide calcium + chlorine → calcium chloride lithium + oxygen → lithium oxide In all of these reactions, the metal atoms ...

Here’s an example using sodium and chlorine. They form ions which bond to form sodium chloride. 2. Work out how many electrons need to be transferred. 3. Draw the electronic configuration of the ...