Atomic Theory and Atomic Structure

Front

What did Thomson discover?

Back

Electrons

Front

Subatomic particles with a positive charge are called?

Back

Protons

Front

What determines the identity of the atom?

Back

Protons

Front

What does the letter 'C' represent in the periodic table?

Back

Chemical symbol

Front

Where are electrons likely to be found as they travel around the nucleus?

Back

Electron Cloud

Front

What are the three main subatomic particles?

Back

Protons, Neutrons, Electrons

Front

What is the charge of a neutron?

Back

Neutral (no charge)

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.

Front

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

Back

Proton is approximately 1836 times more massive than an electron.

Front

What is an isotope?

Back

Atoms of the same element with different numbers of neutrons.