Study Guide 4-1

Front

Scientist who used the cathode ray tube?

Back

J.J. Thomson

Front

What is the area where modern scientists think electrons are likely to be found?

Back

Electron cloud

Front

What is a positive particle that is located in the nucleus?

Back

Proton

Front

What is a negative particle that orbits the nucleus?

Back

Electron

Front

What is a neutral particle that is located in the nucleus?

Back

Neutron

Front

What is the charge of a proton?

Back

Positive

Front

What is the charge of an electron?

Back

Negative

Front

What is the charge of a neutron?

Back

Neutral

Front

What is the nucleus of an atom?

Back

The central part of an atom containing protons and neutrons.

Front

What is an atom?

Back

The basic unit of a chemical element.