The International Journal of Digital Earth is an international peer-reviewed academic journal (SCI-E with a 2016 impact factor 2.292) focusing on the theories, technologies, applications, and societal implications of Digital Earth and those visionary concepts that will enable a modeled virtual world.
Search the Internet with Kids.Net.Au. Definition of sodium. a silvery soft waxy metallic element of the alkali metal group; occurs abundantly in natural compounds (especially in salt water); burns with a yellow flame and reacts violently in water; occurs in sea water and in the mineral halite (rock salt)
Sodium testing is a part of the routine lab evaluation of most people as part of an electrolyte panel or a basic metabolic panel. These may be ordered during an annual physical or when someone has non-specific health complaints. A blood sodium test may be ordered when a person has symptoms of low sodium, such as weakness, confusion, and lethargy.