This activity introduces oxidation numbers by giving a conceptual foundation for them in terms of electron accounting and polar bonds. It then shows how the model used so far needs refining.
Downloads
Oxidation numbers
Handout | PDF, Size 0.27 mb
Close menu
- Home
- I am a …
- Resources
- Education in Chemistry
- Teach Chemistry
- Events
-
Teacher PD
- Back to parent navigation item
- Teacher PD
- What we offer
-
Courses
- Back to parent navigation item
- Courses
- Curriculum-focused courses
- Chemistry for non-specialists
-
Developing expertise in teaching chemistry
- Back to parent navigation item
- Developing expertise in teaching chemistry
- Acids and bases
- Analytical chemistry
- Carbon chemistry
- How to use and develop models – pupil resources
- Energy and change – pupil resources
- Equilibria – pupil resources
- Materials chemistry – pupil resources
- Organic chemistry – pupil resources
- Pedagogical approaches – pupil resources
- Teaching practical – pupil resources
- Quantitative chemistry – pupil resources
- Rates of reaction – pupil resources
- Redox chemistry – pupil resources
- Structure and bonding post-16 – pupil resources
- Structure and bonding pre 16 – pupil resources
- Inspiring creative chemistry teaching
- Teacher mentoring
- PD for secondary teachers
- PD for primary teachers
- Chartered Science Teacher (CSciTeach)
- Enrichment
- Our work
Chemistry for the gifted and talented: oxidation numbers
Level
Specification
- Republic of Ireland
- Wales
- Northern Ireland
- England
- A/AS level
- AQA Chemistry
- Physical Chemistry
- Bonding
- Bond polarity
- Electronegativity as the power of an atom to attract the pair of electrons in a covalent bond.
- The electron distribution in a covalent bond between elements with different electronegativities will be unsymmetrical. This produces a polar covalent bond, and may cause a molecule to have a permanent dipole.
- Students should be able to: use partial charges to show that a bond is polar.
- Bond polarity
- Oxidation, reduction and redox equations
- Bonding
- Physical Chemistry
- Edexcel Chemistry
- Topic 2: Bonding and Structure
- Topic 3: Redox I
- 1. know what is meant by the term ‘oxidation number’
- 2. be able to calculate the oxidation number of elements in compounds and ions. The use of oxidation numbers in peroxides and metal hydrides is expected.
- 3. understand oxidation and reduction in terms of electron transfer and changes in oxidation number, applied to reactions of s- and p-block elements
- OCR Chemistry A
- Module 2: Foundations in chemistry
- 2.1 Atoms and reactions
- 2.2 Electrons, bonding and structure
- 2.2.2 Bonding and structure
- i) electronegativity as the ability of an atom to attract the bonding electrons in a covalent bond; interpretation of Pauling electronegativity values
- j) explanation of: a polar bond and permanent dipole within molecules containing covalently-bonded atoms with different electronegativities; a polar molecule and overall dipole in terms of permanent dipole(s) and molecular shape
- 2.2.2 Bonding and structure
- Module 2: Foundations in chemistry
- AQA Chemistry
- A/AS level
- Scotland
Related articles
ResourceChemistry for the gifted and talented book introduction
Chemistry for the gifted and talented is a refreshingly challenging educational book containing a wide range of differentiated activities for use in school and college.
- CPD
The extraction of metals
2019-12-11T11:50:00Z
Embed the understanding of reduction and oxidation with your students
- News
Be forceful with chemical bonding
2019-11-27T11:16:00Z
Help your students understand chemical bonding with force-based models
More Resources
- Resource
Frozen in time: hands-on evidence
2019-11-06T09:56:00Z
Ask students to plan experiments, record data and draw conclusions in this practical activity
- Resource
Assessing the life cycle of fashion
2019-10-30T10:26:00Z
Examine the environmental impact of our clothing with these resources
No comments yet