Atomic Structure

Front

What is the nucleus of an atom made up of?

Back

The nucleus is made up of protons and neutrons.

Front

How many electrons are in a Sulfur-32 atom?

Back

A Sulfur-32 atom has 16 electrons.

Front

What does having 11 protons in Sodium indicate?

Back

It indicates that Sodium's atomic number is also 11.

Front

What must you add to Lithium to change it to a new element?

Back

You must add a proton.

Front

What element has the atomic number 17?

Back

Chlorine.

Front

What are protons?

Back

Protons are positively charged particles found in the nucleus of an atom.

Front

What are neutrons?

Back

Neutrons are neutral particles found 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 atomic number?

Back

The atomic number is the number of protons in the nucleus of an atom.

Front

What is mass number?

Back

The mass number is the total number of protons and neutrons in an atom's nucleus.