Radioactive decay — types?
α, β, γ radiations
Atom — smallest matter unit?
Contains nucleus and electrons.
Atom — smallest matter unit?
Nucleus and electrons
Goldstein’s experiment — key finding?
Nucleus is dense, positively charged.
Rutherford experiment — reveal?
Nucleus with positive charge
Proton number (Z) — role?
Defines the element.
Isotopes — same Z, different?
Different mass numbers (A).
Radioactive decay — types?
α, β, γ emissions.
Half-life (T₁/₂) — purpose?
Time for half decay.
Nuclear fission — process?
Splitting heavy nucleus, releases energy.
Testez vos connaissances avec un QCM de 10 questions sur Understanding Radioactivity and Nuclear Reactions.
1. In nuclear fission, what is typically released along with the lighter nuclei when a heavy nucleus splits?
2. What was the significance of Rutherford's experiment with α-particles?
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