EASY
AS and A Level
IMPORTANT
Earn 100

Hadrons are made up from quarks.
Which combination of quarks could make up a meson?
(a)
(b)
(c)
(d)

Important Questions on Atomic Structure and Particle Physics
EASY
AS and A Level
IMPORTANT
Explain why the most strongly ionising radiation -particles is the least penetrating, while the least ionising -rays is the most penetrating.

EASY
AS and A Level
IMPORTANT
Before Rutherford's model, scientists believed that the atom was made up of negatively charged electrons embedded in a 'plum pudding' of positive charge that was spread throughout the atom. Explain how the $\alpha$ -particle scattering experiment proved that this old model of the atom was incorrect.

EASY
AS and A Level
IMPORTANT
A nucleus of strontium has a nucleon number of and a proton number of . Describe the structure of this strontium nucleus.

EASY
AS and A Level
IMPORTANT
State the changes that take place in a nucleus when it emits an -particle and then two -particles.

EASY
AS and A Level
IMPORTANT
The nuclide of iodine with a nucleon number of and a proton number emits a -particle. Write a nuclear equation for this decay.

EASY
AS and A Level
IMPORTANT
An isotope of carbon emits a -particle and changes into an isotope of nitrogen .
What are -particles?

EASY
AS and A Level
IMPORTANT
An isotope of carbon emits a -particle and changes into an isotope of nitrogen .
Write a nuclear decay equation for the decay.

EASY
AS and A Level
IMPORTANT
An isotope of carbon emits a -particle and changes into an isotope of nitrogen .
Draw a graph with the -axis representing nucleon numbers between and and the -axis representing proton numbers between and . On your graph, mark The isotope .
