2.1 Theories About The Atom Through Time (GCSE Chemistry)

The following is a GCSE Chemistry test covering '2.1 Theories About The Atom Through Time'

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According to Bohr’s theory, electrons in higher orbits have what feature?

Why did early atomic concepts change significantly over time?

What did Ernest Rutherford conclude about the atom?

Why were alpha particles used in Rutherford`s experiment?

What did the plum pudding model view an atom as?

In J.J. Thomson’s plum pudding model, what ‘fruit’ represented electrons?

Who performed the famous gold foil experiment?

What unexpected observation led Rutherford to propose the nuclear model?

The gold foil experiment indicated the presence of what atomic feature?

What features best describe electrons according to Bohr?

What was a key limitation of Rutherford’s nuclear model?

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