CAIE IGCSE Chemistry 2.5.4 Formation of Covalent Bonds in Simple Questions
Use shared electron pairs and dot-and-cross diagrams to analyse covalent molecules and multiple bonds.
- Syllabus
- 2026–2028
- Course
- Chemistry 0620
Exam points
- count shared electrons in covalent molecules
- interpret dot-and-cross diagrams for covalent molecules
- identify single and multiple covalent bonds
- determine shared electron pairs from molecular formulae
- apply covalent bonding models to nitrogen, ethene and methanol
CAIE IGCSE Chemistry 2.5.4 Formation of Covalent Bonds in Simple Questions question 1
[Maximum number: 1]
How many electrons are shared in one molecule of nitrogen and in one molecule of ethene?
nitrogen
ethene
2
12
2
8
6
12
6
8
C
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