Answers to AQA GCSE Ionisation
Practice Questions
1. What is meant by the term ionisation?
Ionisation is the process of forming ions. If an atom gains an electron it will form a negative ion, if it loses an electron it will form a positive ion.
2. Explain why atoms are electrically neutral
Atoms are electrically neutral because they contain equal numbers of protons and electrons
3. How would an atom change if it were to for a 2+ positive ion?
The atom would lose 2 electrons
Absorption and Emission of EM Radiation
JJ Thomson and Plum pudding model
Ernest Rutherford and the Nuclear Model
Niels Bohr changing the Nuclear Model
Discovering the Proton and Neutron
Measuring radiation from radioactivity
Radiation types and properties
Random nature of radioactive decay
Radioactive contamination or irradiation
Hazards of contamination and irradiation
Studies on the effects of radiation on humans
Different half lives of radioactive isotopes
Nuclear Fission Chain Reaction
Writing nuclear fission equations