The Atomic Theory

The scientist responsible for "discovering" the nucleus is:

• Bohr
• Rutherford
• Schroedinger
• Einstein

How did Rutherford discover the proton?

• Cathode tube ray experiment
• Gold Foil Experiment
• Planetary Model
• Plum Pudding Model

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What does the nucleus of an atom contain?

• Electrons and neutrons
• Protons and neutrons
• Neutrinos and positrons
• DNA and RN

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True or False: The majority of an atom is made up of empty space

• True
• False

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Which scientist developed the atomic theory?

• JJ Thomson
• Ernest Rutherford
• John Dalton
• James Chadwick

What did Thomson discover?

• electron
• proton
• neutron
• electron cloud

Subatomic particles with a negative charge

• Electrons

• Neutrons

• Protons

• Quarks

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Subatomic particles with a positive charge

• neutrons
• atomic mass
• protons
• isotopes

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Subatomic particles that are neutral in charge

• Neutrons
• Protons
• Nucleus 
• Electrons

A tiny but very dense, positively charged portion of the atom that holds most of the atomic mass

• Electron Shells
• Orbitals
• Electron Cloud
• Nucleus

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