Review-Atomic Theory

Front

What does the word 'atom' mean in Greek?

Back

Indivisible

Front

Can atoms be seen with a powerful electron microscope?

Back

True

Front

Is it true that the majority of an atom is made up of empty space?

Back

True

Front

What particle is found in the nucleus and has no charge?

Back

Neutron

Front

According to James Chadwick, what does the nucleus of an atom contain?

Back

Protons and neutrons

Front

What is the charge of a proton?

Back

Positive

Front

What is the charge of an electron?

Back

Negative

Front

What is the mass of a neutron compared to a proton?

Back

Approximately equal

Front

What is the central part of an atom called?

Back

Nucleus

Front

What are the three main subatomic particles?

Back

Protons, neutrons, and electrons