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?
3. What does Rutherford's experiment primarily demonstrate about the structure of an atom?
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.
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