Unit 7 - Atomic and Nuclear Physics Flashcards
1
Q
What is the number of electrons equal to in an atom?
A
Number of Protons
2
Q
What is the name of the experiment that lead to the nuclear model of the atom?
A
Alpha Particle Scattering Experiment
3
Q
What is radioactive decay?
A
When an unstable nuclei gives out radiation as it changes to become more stable
4
Q
How many protons and neutrons does an alpha particle have?
A
- 2 Neutrons
- 2 Protons
5
Q
What is a beta particle?
A
A high speed electron ejected from the nucleus as a neutron turns into a proton
6
Q
A
