0625/31/M/J/24 · question 1 of 3 in this topic
A nucleus of strontium-90 is represented using nuclide notation as ⁹⁰₃₈Sr.
Determine the number of electrons in one atom of strontium-90.
Determine Work it out from what you are given or from the figure, and show how you got there.
Your answer
Suggested time: 2 min
Strontium-90 decays by emitting β-particles (beta-particles).
Describe the nature of β-particles.
Describe Say what happens, in order. Reasons are not required unless the question also asks why.
Your answer
Suggested time: 2 min
0625/31/M/J/24Cambridge IGCSE Physics 0625 · May/June 2024 · Paper 3 variant 1 · sit the whole paper