Atoms and the Periodic Table Flashcards

Front

Element

Back

A pure substance made of only one kind of atom

Front

Atom

Back

Basic unit of matter

Front

Protons

Back

Positively charged particles

Front

Neutrons

Back

The particles of the nucleus that have no charge

Front

Electron

Back

Negatively charged particle

Front

Nucleus

Back

Center of an atom

Front

Electron Cloud Model

Back

Current model of the atom

Front

Octet Rule

Back

States that atoms lose, gain or share electrons in order to acquire a full set of eight valence electrons

Front

Quarks

Back

Particles of matter that make up protons and neutrons

Front

Atomic Mass

Back

Number of protons and neutrons