Atomic Theory

Front

What is the charge of a proton?

Back

Positive charge.

Front

Where are protons located in an atom?

Back

In the nucleus.

Front

What is the charge of an electron?

Back

Negative charge.

Front

Where are electrons located in an atom?

Back

Outside the nucleus.

Front

What did Niels Bohr propose about electron arrangement?

Back

Electrons are found in specific orbits.

Front

What experiment did Rutherford conduct to discover the proton?

Back

Gold Foil Experiment.

Front

Who proposed that all atoms of the same element are identical?

Back

John Dalton.

Front

What is the nucleus of an atom composed of?

Back

Protons and neutrons.

Front

What is the mass of a proton compared to an electron?

Back

Proton is much heavier than an electron.

Front

What is the significance of the Gold Foil Experiment?

Back

It led to the discovery of the atomic nucleus.