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Proton

Electron

Chemical Bond

Ionic Bonding

Element

Nucleus

Covalent Bonding

Molecule

Neutron

Chemical Formula

Atom

Subatomic

A form of matter that cannot be separated into simpler substances by ordinary chemical methods.

A subatomic particle with no charge

an electrical force linking atoms

chemical bonding that results from the electrical attraction between large numbers of cations and anions

the simplest structural unit of an element or compound

The center of an atom.

A negatively charged subatomic particle.

results from the sharing of electron pairs between two atoms

The smallest unit of an element.

a representation of a substance using symbols for its constituent elements

A positively charged subatomic particle.

A term that means 'smaller than an atom'.