Hydrogen

HydrogenHydrogen or H

• atomic number is 1

• atomic weight  is 1.00794

• color is Colorless

• state at 298.15°k is Gas

• classification is Nonmetallic

• date of discovery is 1776

• density kg/m3 is 0.0899

• melting point is 14.175 K°

• boiling point is 20.28 K°

• group is Non-Metal

• Number of neutron is 0