Half life, Fission, and Fusion Flashcards
1
Q
Atomic number
A
number of protons in the nucleus of aan atom
2
Q
Mass number
A
total number of protons and neutrons in a nucleus
3
Q
Isotope
A
two different forms of the same element
4
Q
Alpha and Beta particles and Gamma rays are _____________ emitted from _____________ in a random process
A
- Ionising radiations
- Unsable nuclei
5
Q
Ionisation
A
atom or molecule acquires a negative or positive charge by gaining or losing electrons
6
Q
Ionising radiations can be detected using ________ or a _____________
A
- Photographic film
- Geiger-müller detector