History of the atom

The smallest particle of an element that still represents that element.

• Nucleus

• electron

• proton

• atom

What is a particle with one negative charge called?

• electron

• proton

• quark

• neutron

Tags

NGSS.MS-PS2-3

What is a particle with one positive charge called?

• proton

• electron

• neutron

• quark

Which scientist discovered that the nucleus contained neutrons?

• bohr

• Rutherford

• Dalton

• Chadwick

Tags

NGSS.HS-PS1-8

In the Thomson Model, he discovered the existence of what particle?

• Electrons
• Protons
• Neutrons
• Quarks

Which model is this?

• Thomson Model
• Cloud Model
• Bohr Model
• Rutherford Model

Tags

NGSS.MS-PS1-1

Which scientist saw the atom as a solid sphere?

• Dalton
• Thomson
• Rutherford
• Bohr

Tags

NGSS.MS-PS1-1

Which scientist developed the plum pudding/chocolate chip cookie model

• Dalton

• Thomson

• Rutherford

• Democritus

Rutherford and his students did experiments that showed

• quark

• nucleus

• proton

• electron

Tags

NGSS.MS-PS1-1

Bohr discovered that electrons are located in

• the nucleus

• inside protons

• electron cloud

• circular orbits around the nucleus