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.
Test your knowledge with 10 questions on 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?
Review the complete course in the revision sheet for Understanding Radioactivity and Nuclear Reactions.
See revision sheet →Mathématiques
Mathématiques
Mathématiques
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