Front

Who discovered the electron?

Back

Thomson

Front

What particle did James Chadwick discover?

Back

Neutrons

Front

Who developed the Quantum Mechanical Model of the atom?

Back

Erwin Schrodinger

Front

What is the neutral particle found in the nucleus called?

Back

Neutron

Front

What did Aristotle identify as the five main elements?

Back

Earth, air, fire, water, and aether

Front

What is the smallest unit of an element that retains its properties?

Back

Atom

Front

What are the three main subatomic particles?

Back

Protons, neutrons, and electrons

Front

What charge does a proton carry?

Back

Positive charge

Front

What charge does an electron carry?

Back

Negative charge

Front

What is the center of an atom called?

Back

Nucleus