What is the Valence electron for N2?

Is iodised table salt a pure substance or a mixture? In the 5 themes of geography what are some human and natural features of FIJI the theme is Place? The amount of mass for each milliliter of a substance determines the substances? What would the particles in a block of chocolate look like compared to the same amount of chocolate in liquid form? Does all atoms of a given element are alike in all respects? How does the military use latitude and longitude? An atom an ion or a molecule depending upon the way a substance commonly exists? What look like a mountain in the desert? What elements are in red pepper? Blood is held from an area? How do alpha and beta receptors differ? Product that is considered the same no matter who produces or sells it? How is frost wedging and root wedging different? Is precipitation a living thing? Is it true that A cell divides to produce daughter cells that are genetically different? How many millimeters are in 6.8 centimeters? What happens to the brain when your ambidextrous? What On a weather map which speeds a related to? How many pounds is 1.6 billion tons? How similar or different are the elements of the allotrope?