Examlex
Who first proposed using proceeds from arms sales to Iran to support the Contras in Nicaragua?
Rutherford
Refers to Ernest Rutherford, the scientist who proposed the model of the atom with a central nucleus surrounded by electrons.
Alpha Particles
A type of ionizing radiation consisting of two protons and two neutrons, emitted from the nucleus of an atom.
Gold Foil
Thin sheets of gold used in scientific experiments, most famously in Rutherford's gold foil experiment which led to the discovery of the nucleus.
Sub-Atomic Particle
Particles smaller than atoms, including protons, neutrons, and electrons.
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