Atomic Theory

Front

What does the word 'atom' mean in Greek?

Back

Indivisible

Front

How did Rutherford discover the proton?

Back

Through the Gold Foil Experiment.

Front

Who stated that 'everything is composed of atoms'?

Back

Democritus

Front

Why are electrons not factored into atomic mass?

Back

Because they are so small their mass is negligible.

Front

What did John Dalton state about atoms?

Back

All of the above: elements are made of atoms, atoms of a given element are identical, atoms cannot be subdivided, created, nor destroyed.

Front

What is the basic unit of matter?

Back

Atom

Front

What are the three main subatomic particles?

Back

Protons, Neutrons, Electrons.

Front

Where are protons located in an atom?

Back

In the nucleus.

Front

What charge do electrons have?

Back

Negative charge.

Front

What is the charge of a proton?

Back

Positive charge.