Schandel,+Nolan

=Hydrogen= - H -252.87 °C boiling point -259.14 °C melting point - Specific density- 88 kg m -3 - Number of protons-1, neutrons-0, electrons-1 - Atomic mass-1.01 - Atomic number-1 - Electron configuration- 1s^1 1energy level - 1 valence electron - Was discovered in 1766 by Henry Cavendish. He discovered from the Greek words "hydro" and " genes" meaning water and generator - Discovered in London England - Molar volume- 11.42 cm3 velocity of sound- 1270 m s-1 - Compounds-hydrides,fluorides,chlorides,and bromides - Used in rocket fuel,Welding,and production of hydrochloric acid -Bohr model -Pure state -Unusual facts, Hydrogen is the most abudant element in the universe,hydrogen has no odor and has no color -work cited- jlad.org, education.jlad.org webelements, [] []