4. Write the charge of each ion. Here are some other examples of dot and cross diagrams for the formation of ions in some ionic compounds – magnesium oxide and calcium chloride.

The scientists determined the three-dimensional structure of the protein and found that there are positively charged calcium ions buried inside it, very near the place where the electrons are stored.

A new study has unveiled a precise picture of how an ion channel found in most mammalian cells regulates its own function with a 'ball-and-chain' channel-plugging mechanism. The findings boost the ...