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.
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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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