CPA Chemistry Midterm Review

Used the word "atomos" to decsribe the uncuttable (indivisible) atom.

• Democritus

• Thomson

• Bohr

• Dalton

Proposed that electrons move around the nucleus in specific layers, or shells.

• Bohr

• Rutherford

• Chadwick

• Thomson

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NGSS.MS-PS1-1

This picture best represents ___________________ atomic model.

• Thomson's

• Dalton's

• Bohr's

• Chadwick's

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Rutherford and his students did experiments that showed

• quark

• nucleus

• proton

• electron

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What is a particle with one negative charge called?

• electron

• proton

• quark

• neutron

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Which one of these is Dalton's Model?

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NGSS.MS-PS1-1

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Which model was created after the discovery of the nucleus?

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Which model was created after the discovery of the electron cloud?

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Who discovered electrons?

• Rutherford

• Bohr

• J.J. Thompson

• Democritus

Which model was created after the discovery of electrons?

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Tags

NGSS.MS-PS1-1