Atomic Structure Model Scientists Flashcard

Front

Who concluded that the atom had negatively charged particles that he named electrons?

Back

J.J. Thomson

Front

Who introduced the idea that electromagnetic radiation has a dual wave-particle nature and called these particles photons?

Back

Albert Einstein

Front

What did Ernest Rutherford conclude from his Gold Foil Experiment about the structure of the atom?

Back

The atom is mostly empty space with a tiny, positively charged, dense center called the nucleus.

Front

Who proposed the atomic theory of matter in 1803?

Back

John Dalton

Front

Who concluded there were two kinds of electrical charge which he named (+) and (-)?

Back

Benjamin Franklin

Front

What is the atomic theory proposed by John Dalton?

Back

All matter is made of atoms, which are indivisible and indestructible particles.

Front

What did Robert Millikan's oil drop experiment measure?

Back

The charge of the electron.

Front

What is the significance of the Gold Foil Experiment conducted by Ernest Rutherford?

Back

It led to the discovery of the atomic nucleus.

Front

What is the dual nature of light as proposed by Albert Einstein?

Back

Light exhibits both wave-like and particle-like properties.

Front

What did Joseph Louis Proust contribute to atomic theory?

Back

He formulated the law of definite proportions.