WorksheetsUnit 7: Radioactivity Ticket 3
Total questions: 5
Worksheet time: 3mins
Name
Class
Date
1.
Q1.
When an alpha particle is emitted from a nucleus, how does it affect the composition of the nucleus?
a)
Proton number -2, neutron number -4
b)
Proton number -2, neutron number -2
c)
Proton number +2, neutron number -2
d)
Proton number unchanged , neutron number -2
2.
Q2.
What is the effect of gamma emission on the parent nucleus?
a)
Charge changes
b)
Mass changes
c)
Density changes
d)
Energy changes
3.
Q3.
In the equation 238U → 234Th + 4He, what type of decay is represented?
a)
Alpha decay
b)
Beta decay
c)
Gamma decay
d)
Neutron decay
4.
Q4.
Where does a beta particle come from?
a)
Proton
b)
Neutron
c)
Shell electron
d)
Free electron
5.
Q5.
Which of the following nuclear decay is not ionising?
a)
Alpha decay
b)
Beta decay
c)
Gamma decay
d)
Neutron decay
100 %
