1. Ko Ngā Ngota Objectives of the Unit At the end of the unit I should be able to… Objectives of the Unit At the end of the unit I should be able to… Atoms

2. 1 Describe an atom: the sub atomic particles inside where the sub atomic particles are the charges on sub atomic particles what atomic no. & mass no. are 1 Describe an atom: the sub atomic particles inside where the sub atomic particles are the charges on sub atomic particles what atomic no. & mass no. are

3. 2 Explain the links between the structure of an atom and the structure of the periodic table. Keywords: shells, valence, groups, periods and metals. 2 Explain the links between the structure of an atom and the structure of the periodic table. Keywords: shells, valence, groups, periods and metals.

4. 3 Explain the similarities and differences between atoms and ions in terms of behaviour and properties 3 Explain the similarities and differences between atoms and ions in terms of behaviour and properties

5. 4 Name the most common ions used in industry and the lab and be able to write the names of ionic formulae 4 Name the most common ions used in industry and the lab and be able to write the names of ionic formulae

6. 5 Write ionic formulae for chemical compounds if given the name 5 Write ionic formulae for chemical compounds if given the name