Mechanical Properties of matter: State, analyse and apply principles of atomic combinations: molecular structure
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Subject outcome
Subject outcome 5.2: State, analyse and apply principles of atomic combinations: molecular structure
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Learning outcomes
- Use group properties of the periodic table to find the number of valence electrons and valency number of an element.
- Use and draw Lewis diagrams and use octet rule to explain chemical bonds.
- Define electronegativity of atoms and apply it to explain the polarity of chemical bonds.
- Calculate oxidation number of atoms in molecules to explain their relative richness in electrons
- Identify and molecular shapes and give molecular examples for the shapes.
- Range: Molecular shapes are linear, angular, pyramidal, tetrahedral.
- Identify polar and non-polar substances.
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Unit 1 outcomes
By the end of this unit you will be able to:
- Use group properties of the periodic table to find the number of valence electrons and valency number of an element.
- Use and draw Lewis diagrams and use the octet rule to explain chemical bonds.
![](http://ncvs3.books.nba.co.za/wp-content/themes/nba-ncv/icons/024-trophy.png)
Unit 2 outcomes
By the end of this unit you will be able to:
- Define electronegativity of atoms and apply it to explain the polarity of chemical bonds.
![](http://ncvs3.books.nba.co.za/wp-content/themes/nba-ncv/icons/024-trophy.png)
Unit 3 outcomes
By the end of this unit you will be able to:
- Calculate oxidation number of atoms in molecules to explain their relative richness in electrons.
![](http://ncvs3.books.nba.co.za/wp-content/themes/nba-ncv/icons/024-trophy.png)
Unit 4 outcomes
By the end of this unit you will be able to:
- Identify molecular shapes and give molecular examples for the shapes. Range: Molecular shapes are linear, angular, pyramidal, tetrahedral.
![](http://ncvs3.books.nba.co.za/wp-content/themes/nba-ncv/icons/024-trophy.png)
Unit 5 outcomes
By the end of this unit you will be able to:
- Identify polar and non-polar substances.