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Nuclear Model

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Key Stage 4

Meaning

 
A image of an atom in the Nuclear Model showing a small nucleus at the centre and an electron orbiting around the nucleus.

The Nuclear Model is a model of the atom which suggests there is a positively charged nucleus in the centre of an atom with electrons orbiting around the nucleus.

About the Nuclear Model

The Nuclear Model was first proposed by Ernest Rutherford after he successfully disproved the Plum Pudding Model of the atom using his alpha scattering experiment.
In the Nuclear Model most of the atom is empty space. The majority of the mass of the atom is concentrated in a small central nucleus. This central nucleus has a strong positive charge while negatively charged electrons orbit the nucleus.