Database: Examine overall pay to NC public employees. The NC treasurer's office reported $21.4 billion paid to public employees in 2015. Find how much by county, cities, towns, agencies and school systems.
Summary: Sir Humphry Davy, Joseph Louis Gay-Lussac and Louis Jacques Thenard first discovered boron in 1808. Interesting Facts About Boron. 1  There are 2 stable isotopes of boron (boron-10 and boron-11).  Turkey and the United States are the worldâs largest producers of boron.
Tungsten (atomic number 74, symbol W) is a metal and chemical element that was discovered in 1781 by the Swedish mineralogist and chemist Torbern Bergman. It was in 1783 when the element was isolated for the first time. Fausto Elhuyar and Juan Jose Elhuyar isolated tungsten from wolframite. Properties and Radioisotopes.