Subatomic Particles

Front

What are the three main subatomic particles in an atom?

Back

Protons, neutrons, and electrons.

Front

What is the charge of a proton?

Back

Positive charge.

Front

What is the charge of a neutron?

Back

No charge (neutral).

Front

What is the charge of an electron?

Back

Negative charge.

Front

Where are electrons located in an atom?

Back

In the electron cloud surrounding the nucleus.

Front

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

Back

A proton is approximately 1836 times more massive than an electron.

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.

Front

How do you determine the number of neutrons in an atom?

Back

Subtract the atomic number from the atomic mass.

Front

What is the role of neutrons in an atom?

Back

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

Front

What is the significance of the electron configuration of an atom?

Back

It determines how an atom interacts and bonds with other atoms.