GCSE Combined Science (AQA)
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Bonding, structure, and the properties of matter
How bonding and structure are related to the properties of substances
Bulk Properties & Particles
1:08
States of Matter
Spec
4.2.2.1
- Substances around us are made up of trillions of atoms, molecules, or ions.
- These are referred to as bulk material.
- Example: Gold bars are considered bulk material made up of trillions of gold atoms.
- Difference between atoms and bulk material:
- Individual atoms do not have the physical properties of the bulk material they form.
- These physical properties are called bulk properties.
- Example: A block of ice (bulk material) has the bulk property of melting when heat is applied past its melting point.
- An individual water molecule, however, cannot melt or have a melting point.
- Conclusion: Individual atoms do not have melting or boiling points; only bulk materials do.
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