Atomic Theory

Reorder the following

• Democritus

• Dalton

• Thomson

• Rutherford

• Bohr

Which model of the atom is this?

• Billiard Ball

• Atomos

• Planetary

• Electron Cloud

• Rutherford (nuclear)

Tags

NGSS.MS-PS1-1

Which model of the atom is this?

• Billiard Ball

• Atomos

• Planetary

• Electron Cloud

• Rutherford (nuclear)

Tags

NGSS.MS-PS1-1

Which model of the atom is this?

• Billiard Ball

• Plum Pudding

• Planetary

• Electron Cloud

• Rutherford (nuclear)

Tags

NGSS.MS-PS1-1

Which model of the atom is this?

• Billiard Ball

• Plum Pudding

• Planetary (Bohr)

• Electron Cloud

• Rutherford (nuclear)

Which model of the atom is this?

• Billiard Ball

• Plum Pudding

• Planetary (Bohr)

• Electron Cloud

• Rutherford (nuclear)

Rutherford's "gold-foil" experiment using alpha particle scattering concluded that

• the center of the atom is empty

• atomic mass is spread over the whole atom

• the center of the atom has a negative charge

• most of the atom is empty space

Tags

NGSS.HS-PS1-8

All of the following are true about Democritus' atomic theory EXCEPT ______.

• Everything is made up of atomos

• Atoms vary in size and shape

• Atoms are composed of subatomic particles

• Atoms are infinite in number

What is the correct order of scientists in order of their work related to the atomic theory from earliest to most recent?

• Ernest Rutherford, JJ Thomson, John Dalton, Democritus, & Schrodinger

• JJ Thomson, Schrodinger, John Dalton, Ernest Rutherford, & Democritus

• Democritus, John Dalton, JJ Thomson, Ernest Rutherford, & Schrodinger

• John Dalton, JJ Thomson, Schrodinger, Democritus, & Ernest Rutherford

How did each model of the atom help to develop the atomic theory? 

• Each model provided opinions that were added.
• Each model showed different properties of the same structure. 
• Each model showed new particles that had been discovered.
• Each model built upon the other to show new particles or properties of previously discovered particles. 

Tags

NGSS.HS-PS1-8