Intro to atoms

Front

What is the atomic number equal to?

Back

The atomic number is equal to the number of protons in an atom.

Front

What is the center of the atom called?

Back

The center of the atom is called the nucleus.

Front

Which subatomic particle is neutrally charged and found in the nucleus?

Back

The neutron is the neutrally charged subatomic particle found in the nucleus.

Front

How many electrons can the first energy level hold?

Back

The first energy level can hold up to 2 electrons.

Front

What charge does a proton have?

Back

A proton has a positive charge.

Front

What are the three main subatomic particles?

Back

The three main subatomic particles are protons, neutrons, and electrons.

Front

Where are protons located in an atom?

Back

Protons are located in the nucleus of an atom.

Front

What is the charge of an electron?

Back

An electron has a negative charge.

Front

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

Back

A neutron has a mass similar to that of a proton.

Front

What is the role of electrons in an atom?

Back

Electrons are responsible for chemical bonding and reactions.