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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What did JJ Thomson discover that led to changing ideas about the atom?

Who performed the famous gold foil experiment?

Why did early atomic concepts change significantly over time?

What features best describe electrons according to Bohr?

Who first proposed the idea of atoms as indivisible?

What happened to most of the alpha particles in Rutherford’s experiment?

What was the name of the model introduced by JJ Thomson?

What theoretical particle did James Chadwick discover?

Whose theory proposed atoms were solid spheres?

Why were Dalton’s atomic ideas proven incorrect over time?

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

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