Sullivan,+Sabrina

H, Hydrogen Boiling point- 20.28[or -252.87 Degrees Celsius (-423.17 degrees Fahrenheit)]K

Melting Point-14.01[or -259.14 Degrees Celsius( -434.45 Degrees Fahrenheit)

//H, Hydrogen // //Boiling point- 20.28[or -252.87 Degrees Celsius (-423.17 degrees Fahrenheit)]K // //Melting Point-14.01[or -259.14 Degrees Celsius( -434.45 Degrees Fahrenheit) // //Electrons-1 // //Atomic Mass- 1.01 // //Atomic Number- 1 // //Electron configuration // //Orbital Notation- // //Number of valence electrons-hydrogen has only one electron in total. // //How, When, and Who discovered hydrogen-a young scientist named Henry Cavendish. // //When-Hydrogen was discovered in 1776 // //How-scientists had been producing hydrogen for years before they figured out that it was hydrogen they were experimenting it. Hydrogen was most likely discovered when early chemists noted the gas being formed when metals were treated with acids. // // How hydrogen was produced- Hydrogen can be produced from natural gas using high- temperature steam. // //<span style="font-family: 'Arial Rounded MT Bold','sans-serif'; font-size: 21px;">Physical properties of hydrogen- Atomic Number, atomic mass, electronegativity according, density, melting point and a whole lot more. // //<span style="font-family: 'Arial Rounded MT Bold','sans-serif'; font-size: 21px;"> Chemical Properties- //