1Determine the properties of some elements by knowing their atomic numbers.
2Identify metals, nonmetals and metalloids.
3Compare between the properties of the groups and the periods of the periodic table.
4Identify the polarity of some chemical compounds.
5Identify the behaviour of some metals of the chemical activity series with water.
6Use tools and substances discovering the chemical properties of metals and nonmetals.
7Identify the behaviour of some metals with diluts acid.