EASY
AS and A Level
IMPORTANT
Earn 100

The isotope thorium-227 decays by α-emission. Write down an equation to describe this decay and identify the element that is produced.

Important Questions on Atomic Structure and Particle Physics

EASY
AS and A Level
IMPORTANT
Copper-64 can decay by either β+ &β- emission . Give equations for both processes and identify the resulting elements.
MEDIUM
AS and A Level
IMPORTANT

Uranium 238 decays through a series of α & β -decays to eventually form the stable isotope lead- 206 in what is known as a decay chain.

Determine the number of each type of decay in the decay chain.

EASY
AS and A Level
IMPORTANT
Show that the charges on the quarks making up a proton give it a charge of +1e.
EASY
AS and A Level
IMPORTANT
Show that the charges on the quarks making up a neutron give it a charge of 0.
EASY
AS and A Level
IMPORTANT
A ρ-meson is made up of an up quark and an antidown quark. Calculate its charge.
EASY
AS and A Level
IMPORTANT

 Draw a diagram similar to Figure to show β+ - dacay.

Question Image

A visual representation of the change within the neutron as it decays into a proton.