PPT Slide

Using the Periodic Table

• Properties of compounds vary systematically because of good ordering in the periodic table.

2K(s) + 2H2O(l) ? 2KOH(aq) + H2(g)

2M(s) + 2H2O(l) ? 2MOH(aq) + H2(g)

Combustion in Air

• Combustion is the burning of a substance in oxygen from air:

C3H8(g) + 5O2(g) ? 3CO2(g) + 4H2O(l)

Patterns of Chemical Reactivity

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