Topic 7 Radioactivity and Particles Flashcards
1
Q
what is an isotope?
A
atoms with the same number of protons (same atomic number) but a different number of neutrons ( different mass number)
2
Q
What is a beta particle?
A
Electrón that has been emitted from the nucleus when a neutron turns into a proton and an electron
3
Q
Explain what is meant by ionisation?
A
Where an electron is knocked of an atom. The atom is turned into an ion.
4
Q
Name four types of ionisation radiation?
A
Alpha , beta, gamma, neutron
