History of Atomic Structure 1

Believed that atoms of the same element are identical to each other

• Bohr
• Rutherford
• Dalton
• Thomson

Who believed that electrons were scattered amongst positively charged material.

• JJ Thomson
• Ernest Rutherford
• John Dalton
• Niels Bohr

Believed that atoms are small, hard particles that were "indivisible"

• Democritus
• Aristotle
• Schrodinger
• Greek Philosophers

Believed that atoms of the same element are identical to each other

• Bohr
• Rutherford
• Dalton
• Thomson

Consider the parts of Dalton’s Atomic Theory, how many of these parts have been proven incorrect?

• 1

• 2

• 3

• 4

Which scientist was one of the very 1st atomic theorists...

• John Dalton

• J.J. Thomson

• Aristotle

• Democritus

Which scientist theorized matter is neither created nor destroyed during a chemical reaction?

• Dalton

• Aristotle

• Thomson

• Rutherford

• Democritus

Democritus described “atomos” as ________________ & _______________ .

• small, round

• indivisible, destructible

• indivisible, indestructible

• divisible, indestructible

Which atomic model is described as electrons equally distributed within a positively charged interior?

• The Bohr Model

• Nuclear Model

• Plum-Pudding Model

• Quantum-Mechanical Model

Whose model suggested that negative particles were mixed in with positively charged material - like seeds in a watermelon?

• J.J. Thomson

• Ernest Rutherford

• Niels Bohr

• Albert Einstein