Atomic Models Quiz

Who proposed the idea that matter was made up of millions of tiny, uncuttable pieces?

• Hans Geiger

• Ernest Rutherford

• J J Thomson

• Demokritos

What did J J Thomson propose the atom looked like?

• Nuclear model

• Bohr model

• Solar system model

• Plum pudding model

What did Rutherford's experiment with alpha particles and gold foil lead to the discovery of?

• The electron

• The nuclear atom

• The neutron

• The proton

What did Rutherford conclude from the deflection of alpha particles in his experiment?

• The atom is mostly empty space

• The atom is solid throughout

• The atom is made up of only electrons

• The atom has no nucleus

What did the ancient Greek philosopher Demokritos believe matter was made up of?

• Protons, neutrons, and electrons

• Millions of tiny, uncuttable pieces

• Positive and negative charges

• Combinations of four elements

What did J J Thomson's plum pudding model propose the atom consisted of?

• A sphere of positive charge with negatively charged electrons

• A layer of electrons surrounding a nucleus

• A small, positively-charged nucleus

• Positive ‘dough’ with a lot of negative electrons

What did Rutherford's experiment with alpha particles and gold foil demonstrate about the atom?

• The atom is mostly empty space

• The atom is solid throughout

• The atom is made up of only electrons

• The atom has no nucleus

What did Rutherford discover about the make-up of the nucleus?

• It is mostly empty space

• It is a small, positively-charged nucleus surrounded by empty space

• It is a layer of electrons surrounding a nucleus

• It is a sphere of positive charge with negatively charged electrons