Nuclear Changes I Flashcards
0
Q
What stops beta particles
A
3mm of aluminum
1
Q
What stops an alpha particle
A
Sheet of paper
2
Q
What stops gamma
A
Lead; 60cm of aluminum
3
Q
Which one of the decay processes are the strongest
A
Gamma
4
Q
Alpha decay
A
Nucleus gives up 2P and 2N
Mass decreased by 4; atomic # decreases by 2
5
Q
Beta decay
A
Nucleus gains proton and loses an electron
Mass doesn’t change; atomic # increases by 1
6
Q
Gamma decay
A
Energy changes
No change in atomic number or mass
