Atomic Theory Quiz

Who believed that matter is made of small, indivisible pieces?

• Aristotle

• Democritus

• Dalton

• Thomson

According to Democritus, what are the small, hard pieces that make up matter called?

• Neutrons

• Protons

• Electrons

• Atoms

Who believed that all matter is made of four elements: earth, water, fire, and wind?

• Dalton

• Aristotle

• Thomson

• Democritus

What are the three parts of Dalton's atomic theory?

• Atoms, elements, compounds

• Protons, electrons, neutrons

• Atoms, electrons, compounds

• Atoms, elements, atoms

Tags

NGSS.MS-PS1-5

What is Dalton's model of the atom called?

• Billiard Ball model

• Plum Pudding model

• Planetary model

• Bohr model

Who discovered that atoms contain negatively charged particles called electrons?

• Thomson

• Democritus

• Dalton

• Aristotle

What is Thomson's model of the atom called?

• Billiard Ball model

• Plum Pudding model

• Planetary model

• Bohr model

Who discovered the nucleus of the atom?

• Aristotle

• Democritus

• Dalton

• Rutherford

Tags

NGSS.HS-PS1-8

According to Rutherford, where is most of the mass of the atom located?

• Protons

• Neutrons

• Electron cloud

• Nucleus

What is Bohr's model of the atom called?

• Bohr model

• Planetary model

• Plum Pudding model

• Billiard Ball model