Atomic Structure

Front

What is the nucleus of an atom made of?

Back

The nucleus is made of protons and neutrons.

Front

Which subatomic particles are neutral in charge?

Back

Neutrons are the subatomic particles that are neutral in charge.

Front

What does the atomic number represent?

Back

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

Front

What is the atomic mass of Boron?

Back

The atomic mass of Boron is 11.

Front

Which part of the atom contains protons?

Back

The nucleus contains protons.

Front

What are protons?

Back

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

Front

What are electrons?

Back

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

Front

What is the mass number of an atom?

Back

The mass number is the total number of protons and neutrons in the nucleus.

Front

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

Back

Subtract the atomic number from the mass number to find the number of neutrons.

Front

What is an isotope?

Back

Isotopes are atoms of the same element that have different numbers of neutrons.