The Structure of an atom

Front

A particle that moves around the nucleus is a(n)...

Back

Electron

Front

According to the Bohr Model, electrons are only found in specific orbits around the nucleus called __________________________

Back

Energy Levels

Front

What is at the center of every atom?

Back

A nucleus

Front

What is the charge of a neutron?

Back

Neutral

Front

A proton is a _____ charged particle.

Back

Positively

Front

What are the three main subatomic particles?

Back

Protons, Neutrons, Electrons

Front

What is the charge of a proton?

Back

Positive

Front

What is the mass of an electron compared to protons and neutrons?

Back

Much smaller, approximately 1/1836 of a proton.

Front

What determines the atomic number of an element?

Back

The number of protons in the nucleus.

Front

What is the role of neutrons in the nucleus?

Back

They help stabilize the nucleus by offsetting the repulsive forces between protons.