Sodiums atomic number is 11. what does this tell you about an atom of sodium

poor water quality affects most estuarine organisms, including commercially important fish and shellfish. the pollutants that have the greatest impact on the health of estuaries include toxic substances like chemicals and heavy metals, nutrient pollution (or eutrophication), and pathogens such as bacteria or viruses.

this protocol describes a detailed procedure for intracellular flow cytometry staining.