M4 Periodic
Table: Chemical Change
Slide 26 of 35
Formation of Ammonia
Element: Hydrogen,
H; symbol: H, formula: H2
Properties:
•an odorless molecular gas room temperature
•transparent, clear, light passes through it
•chemically reactive - very reactive when a small spark is provided
Element: Nitrogen, N; symbol: N, formula: N2
Properties:
•A odorless molecular gas at room temperature
•transparent, clear, light passes through it
•chemically reactive -
very reactive when heated
Compound: Ammonia, NH3
Properties:
•a characteristic pungent smelling gas at room temperature
•transparent, clear, light passes
through it
•A relatively reactive
compound
