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 is an essential mineral for the human body. The most common form of sodium is table salt (sodium chloride). As an added ingredient to most foods - used for curing meat, masking off-flavors, retaining moisture, and enhancing flavors - sodium is typically over-consumed in very high amounts in modern society.