The Structure of the Atom Quiz

What did Dalton think an atom looked like?

• A solid cube

• A solid sphere

• A circle

• A pyramid

Which model of an atom was put forward by JJ Thomson?

• billiard ball model

• cookie model

• nuclear model

• plum pudding model

Who was the first person to suggest the idea of atoms

• John Dalton

• Rutherford

• Democritus

• Aristotle

What do we call the middle of an atom?

• Nucleus

• Neutron

• Nucleolus

• Proton

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Who discovered the neutron?

• Goldstein

• Chadwick

• Jimmy Neutron

• Thomson

Who discovered the electron?

• Rutherford

• Chadwick

• Thomson

• Dalton

How many protons does Barium (Ba) have?

• 137

• 137.33

• 56

• 81

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How many neutrons does Barium-138 have?

• 138

• 56

• 137.33

• 82

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What makes all isotopes of an element different?

• Number of protons

• Number of neutrons

• Number of electrons

• Nucleus

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What makes one elements different from another element?

• Protons

• Neutrons

• Electrons

• Charge

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