Atomic Structure Scientists

Which of the following best describes the Bohr model atom?

• It shows that electrons are evenly scattered in the atom
• Electrons are in the nucleus of an atom
• Electrons are in orbits around the nucleus
• It showed that electrons can be found anywhere in the atom

Which subatomic particle was discovered by Thomson?

• Electrons
• Protons
• Neutrons
• Quarks

The following diagram shows which model of the atom?

• Dalton's Model
• The Plum Pudding Model
• Bohr's Model
• Schrodinger's Model

What scientist is best known for his "Plum Pudding" model of the atom?

• J.J. Thomson
• Ernest Rutherford
• John Dalton
• Democritus

Tags

NGSS.MS-PS1-1

What contribution did John Dalton make to atomic theory? 

• He discovered that every atom was positively charged. 
• He discovered that every element consisted of one type of atom that couldn't be divided. 
• He discovered that atoms had nuclei. 
• He discovered that atoms could be divided into smaller parts. 

Tags

NGSS.MS-PS1-1

The first person to propose a theory about an atom called the Atomos Theory was

• Democritus
• Rutherford
• Dalton
• Aristotle

Who's model is this? 

• Millikan
• Rutherford
• Thomson
• Bohr

Tags

NGSS.HS-PS1-8

Determined that electron paths cannot be predicted and exist inside the Electron Cloud.

• Ernest Schrodinger

• Ernest Rutherford

• John Dalton

• Democritus

Who discovered the proton?

• Thomson
• Dalton
• Bohr
• Rutherford

Who proposed this model of atoms?

• Dalton

• Bohr

• Rutherford

• Thomson