Atomic Flashcards
1
Q
Nucleus
A
- Central part of atom
- Protons and Neutrons
- Called Nucleons
- Bound by the strong nuclear force
2
Q
Electrons
A
Almost massless particles which orbit the nucleus shells
3
Q
Gamma emission
A
No change to mass number or atomic number, they only emit energy
4
Q
Half life definition
A
- The time taken for half the nuclei present in any given sample to decay
- Some nuclei are more stable than others
- Do not forget to factor background radition
5
Q
Safety precautions with radioactive materials
A
- To be stored in lead containers
- Do not pick up with bare hands
- Keep away from people
- Expose it for as little time as possible during experimentation
6
Q
what are the other types of radiation
A
idk
