An electron is transferred from sodium to chlorine. Sodium becomes a positive ion and chlorine becomes a negative ion. The positive and negative ions attract each other and form the ionic compound ...

By using positive ray analysis he was able to correlate different ionisation potentials with the production of ions of different ratio of mass to charge. I have now used the same apparatus to ...

After 1950, when the previous edition was published, advancing technology made possible a great deal of experimental work on the properties of negative ions in gases. Photodetachment techniques became ...

The positive areas of the water molecules surround the negative Chloride ions. The negative areas of the water molecules surround the positive sodium ions. As the attractions from the water molecules ...