CLC proteins transport chloride (Cl−) ions across cellular membranes to regulate muscle excitability, electrolyte movement across epithelia, and acidification of intracellular organelles. Some ...

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 ...

An electron from each atom feels the attraction from the other atom's nucleus. ... The +2 calcium ion and the two -1 chloride ions attract each other and form an ionic bond and the compound calcium ...