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