Atomic Structure

Front

What does the atomic number represent?

Back

The atomic number represents the number of protons in an atom.

Front

What does the number 6 represent in the context of an element?

Back

The number 6 represents the atomic number of the element.

Front

What information do the periods (rows) on the periodic table provide?

Back

The periods indicate the number of energy levels in the atoms of the elements.

Front

What is the center of an atom called?

Back

The center of an atom is called the nucleus.

Front

Where are protons and neutrons located in an atom?

Back

Protons and neutrons are located in the nucleus of an atom.

Front

What are electrons?

Back

Electrons are negatively charged particles that orbit the nucleus of an atom.

Front

What is the charge of a proton?

Back

A proton has a positive charge.

Front

What is the charge of a neutron?

Back

A neutron has no charge (it is neutral).

Front

What is the charge of an electron?

Back

An electron has a negative charge.

Front

What is an atomic mass unit (amu)?

Back

An atomic mass unit is a standard unit of mass that quantifies mass on an atomic or molecular scale.