M4 Periodic
Table: Chemical Change
Slide 27 of 35
Carbon dioxide
Element: Carbon, symbol: C; formula: C.
Properties:
•a solid (powder) at room temperature
•black coloured, absorbs all light, none passes through
•chemically reactive when heated slightly
Element: Oxygen, O; symbol:
O; formula: O2
Properties:
•a gas at room temperature
•transparent, clear, light passes through it
•chemically reactive -
very reactive when heated
Compound: Carbon dioxide, CO2
Properties:
•a gas at room temperature
•transparent, clear, light passes
through it
•not very chemically reactive, the compound is stable
