Chemistry A-Level
Structure and bonding across a period
What Structure and bonding across a period means in Chemistry A-Level, as defined for OCR.
Definition of Structure and bonding across a period
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Reference: OCR
Across Period 2 and Period 3, the bonding and structure of the elements change from metallic to giant covalent to simple molecular.
Topics that use Structure and bonding across a period
- Periodicity (OCR A-Level)
Related terms
- Applying the sequence to specific elements
- atomic radius
- Cations and delocalised electrons
- delocalised electrons
- Distinction from mass number and relative atomic mass
- electrostatic attraction
- First ionisation energy
- Forces broken on melting
Using Structure and bonding across a period in the exam
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