Atomic Structure Vocab

The most basic unit of matter that can't be broken down and consists of 3 main parts

• Atom

• Mixture

• Element

• Compound

A subatomic particle found in the nucleus of an atom and carries a positive charge.

• Proton

• Neutron

• Electron

• Atom

A subatomic particle found in the nucleus of an atom and carries a neutral charge.

• Proton

• Neutron

• Electron

• Atom

Smallest particle in an atom found in the electron shell, carries a negative charge.

• Proton

• Neutron

• Electron

• Atom

Electrons found in the outermost electron shell that can be transferred or shared with other atoms.

• Neutron

• Valence Electron

• Outside Electron

• Outer level shell

The center of an atom, made up of protons and neutrons.

• Neutron

• Nucleus

• Cloud

• Stomach

Energy levels in which electrons orbit the nucleus of an atom.

• Freeway

• Valence electrons

• Cloud

• Electron Shell

Atoms with extra or missing electrons which results in the atom carrying a negative or positive charge.

• Proton

• Isotope

• Ion

• Neutral

Atoms of the same element with extra or missing neutrons.

• Isotope

• Ion

• Proton

• Neutral

A substance made up of only one type of atom and cannot be broken down into a simpler substance.

• Element

• Compound

• Mixture

• Atom