Radiation 2 Flashcards
1
Q
Radioactive decay is spontaneous and random.
A
Memorized (A)
2
Q
What happens in alpha decay
A
- It loses 2 neutrons and 2 protons.
- it releases helium atom (2 neutrons and 2 protons)
3
Q
What happens in beta decay
A
- A Neutron became proton
- Releases electron
4
Q
What happens in gamma decay
A
Releases gamma ray
5
Q
What is contamination.
A
Radioactive substances are inside your body and it is harmful
6
Q
What is Irradiation
A
exposure to radioactive materials
7
Q
What is half-life
A
Time it takes half the atoms in a sample to decay.
8
Q
Recall (A)
A
Radioactive decay is spontaneous and random.
