Zusammenfassung der Ressource
National 5 Chemistry
- Unit 1
- Rates of Reaction
- Rate of Reaction can be changed by
- Temperature
- Concentration
- Particle Size
- Catalyst
- Average rate=change in mass/change in time
- Atomic Theory
- Atoms
- Tiny particles which make up elements
- Differs from element to element
- Atoms of one element can join with atoms of another to create compounds
- Electrons
- Protons
- Neutron
- No Charge
- Isotopes
- Isotopes are atoms with the same atomic number but different mass numbers
- Ions are atoms which have an imbalance of electrons to protons
- Bonding structure and properties
- Covalent bonds
- A covalent bond is a shared pair of electrons between two non-metal atoms
- A Diatomic molecule