Basic Information

Name: Hydrogen 
Symbol: H 
Atomic Number: 1 
Atomic Mass: 1.00794 amu 
Melting Point: -259.14 °C (14.009985 K, -434.45203 °F) 
Boiling Point: -252.87 °C (20.280005 K, -423.166 °F) 
Number of Protons/Electrons: 1 
Number of Neutrons: 0 
Classification: Non-metal 
Crystal Structure: Hexagonal 
Density @ 293 K: 0.08988 g/cm3 
Color: colorless
Date of Discovery: 1766 
Discoverer: Henry Cavendish 
Name Origin: From the Greek words hudôr (water) and gennan (generate) 
Uses: Balloons, metal refining 
Obtained From: mines, oil, gas wells