Atomic Theory Quiz

Who presented the atomic theory in 1803?

• Ernest Rutherford

• Niels Bohr

• John Dalton

• J.J. Thomson

What are the key ideas of John Dalton's atomic theory? (Choose three)

• Atoms can be created, destroyed, and divided

• Atoms of the same element are identical

• Different atoms can combine to form new substances

• Atoms of different elements are the same

• Matter is made of atoms which are tiny particles

What does the development of atomic models over time demonstrate about science?

• Scientific models never change

• Science ignores experimental evidence

• New experimental evidence may lead to a scientific model being changed or replaced

• Theories once disproved cannot be reconsidered

Which of the following is NOT true about Dalton's atomic theory?

• It was based on three key ideas

• It was completely correct and never disproved

• It included the idea that atoms of the same element are identical

• It proposed that different atoms combine to form new substances

Which atomic model was proposed by John Dalton?

• Plum Pudding Model

• Rutherford Model

• Billiard Ball Model

• Quantum Mechanical Model

In what year was the Bohr Model introduced?

• 1803

• 1897

• 1913

• 1926

What is the name given to J.J. Thomson's atomic model?

• Billiard Ball Model

• Plum Pudding Model

• Bohr Model

• Quantum Mechanical Model

During which period was the Quantum Mechanical Model of the atom developed?

• 1800s

• 1900s

• 1913

• 1926

Who is credited with the development of the Quantum Mechanical Model in 1926?

• Dalton

• Thomson

• Rutherford

• Schrödinger

Who discovered the electron in 1897?

• Ernest Rutherford

• J.J. Thomson

• Geiger and Marsden

• Niels Bohr