Atomic Model History

Who developed the first atomic theory supported by experiments?

• Democritus

• JJ Thomson

• Dalton

• Rutherford

What model was developed by Rutherford?

• Billiard Ball model

• Plum Pudding Model

• Nuclear Model

• Planetary Model

What is another name for the Electron Cloud Model, the most current atomic model.

• Plum Pudding Model

• Quantum Mechanical Model

• Planetary Model

• Nuclear Model

Which model was developed based off of the Gold Foil Experiment?

• Billiard Ball Model

• Plum Pudding Model

• Nuclear Model

• Planetary Model

• Quantum Mechanical Model

Which person/scientist discovered electrons?

• Democritus

• Dalton

• JJ Thomson

• Rutherford

Which of the following ideas about atoms were discovered by Rutherford's Gold Foil experiment? Check all that apply!

• Atoms have a tiny, dense positively charged nucleus.

• Atoms are solid, indivisible spheres.

• Atoms have smaller particles that are negatively charged.

• Atoms are mostly empty space.

Thomson used the Cathode Ray tube to discover electrons. What evidence showed that electrons had a negative charge?

• The cathode rays bent toward the negative pole of a magnet.

• The cathode rays were formed not matter what metals or gases were used in the tube.

• The cathode rays were bent to a very large angle.

• The cathode rays bent toward the positive pole of a magnet.

Tags

NGSS.HS-PS2-5

Which Greek first had the idea of atoms?

• Aristotle

• Democritus

• Gyro

• Socrates

Which is the correct order of Atomic Models over time, starting with the earliest model?

• Billiard Ball, Nuclear, Planetary, Plum Pudding, Electron Cloud

• Planetary, Billiard Ball, Nuclear, Electron Cloud, Plum Pudding

• Nuclear, Electron Cloud, Billiard Ball, Plum Pudding, Planetary

• Billiard Ball, Plum Pudding, Nuclear, Planetary, Electron Cloud

Which model/s include a nucleus?

• Billiard Ball

• Planetary

• Electron Cloud

• Nuclear

• Plum Pudding

Tags

NGSS.HS-PS1-8