Description

Worksheet Contents

• This worksheet covers:

• Stability of noble gas electron configuration

• Formation of positive and negative ions

• Metal and non-metal ions

• Periodic table groups, electron configuration and valency

• Formation of ionic compounds

• Monatomic and polyatomic ions

• Includes:

• Unit outline.

• Cloze activity (fill in the blanks).

• Short-answer questions.

• Extension questions.

• Topics for further research.

• Teacher version containing complete answers.

• Aligned to the Australian Year 9 Science curriculum.

• 13 pages.

Learning Outcomes

• By the end of this worksheet students will be able to:

• ☑   Describe the most stable type of electron configuration.

• ☑   Explain how metal atoms lose electrons to form positive ions.

• ☑   Explain how non-metal atoms gain electrons to form negative ions.

• ☑   Describe how positive and negative ions combine to form ionic compounds.

• ☑   Describe the relationship between an element’s group number, the number of valence electrons in its atoms and the type of ion it forms.

• ☑   Correlate the reactivity of an element with its location on the periodic table.

• ☑   Differentiate between monatomic and polyatomic ions.

 

This resource is also included in the Year 9 Chemistry PDF Workbook.

 

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