The conclusion from Rutherford's from radioactive substance alpha-scattering experiment is that

Assessment: WAEC SSCE - Chemistry - 2001 (Objective) Subject: Chemistry

Question 1 Report

The conclusion from Rutherford's from radioactive substance alpha-scattering experiment is that

atoms are mostly empty space with a samll

emissions from radioactive substances consist of three main components

there is unclear pull on orbital electrons

electrons are deflected by both magnetic and electric fields

Answer Details

The conclusion from Rutherford's alpha-scattering experiment is that atoms are mostly empty space with a small, dense, positively charged nucleus at the center. This was determined by observing that alpha particles, which are positively charged, were mostly able to pass through the gold foil with little to no deflection, but occasionally were deflected at large angles. This led to the conclusion that most of the atom's mass and positive charge is concentrated in a small, dense nucleus at the center, with the electrons orbiting around it.

Read lesson note on Structure Of The Atom (WAEC)

Structure Of The Atom

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