Structure of an Atom

Front

What is an Element?

Back

A substance that cannot be broken down into simpler substances. Elements are the basic building blocks of matter.

Front

What does the atomic number represent?

Back

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

Front

How many protons does a Copper atom have?

Back

29 protons.

Front

Which subatomic particle has a negative charge?

Back

Electron.

Front

Do protons and neutrons have about the same mass?

Back

True - Protons and neutrons have about the same mass.

Front

What is a Compound?

Back

A substance formed when two or more elements chemically bond together.

Front

What is a Neutron?

Back

A subatomic particle found in the nucleus of an atom that has no charge.

Front

What is a Proton?

Back

A subatomic particle found in the nucleus of an atom that has a positive charge.

Front

What is an Isotope?

Back

Atoms of the same element that have the same number of protons but different numbers of neutrons.

Front

What is Electron Configuration?

Back

The arrangement of electrons in an atom's orbitals.