Study Guide 4-1

Front

What is a neutral particle located in the nucleus?

Back

Neutron

Front

Who is the scientist known for using 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 negative particle that orbits the nucleus?

Back

Electron

Front

What is a positive particle located in the nucleus?

Back

Proton

Front

What is the charge of a neutron?

Back

Neutral (no charge)

Front

What is the charge of an electron?

Back

Negative

Front

What is the charge of a proton?

Back

Positive

Front

What is the nucleus of an atom?

Back

The central part of an atom containing protons and neutrons.

Front

What is the role of electrons in an atom?

Back

Electrons orbit the nucleus and are involved in chemical bonding.