Atomic Vocab

Front

Smallest particle of an element that retains its properties

Back

Atom

Front

A particle smaller than an atom, like a proton, neutron, or electron.

Back

subatomic particle

Front

Positively charged particle in the nucleus; identifies an element.

Back

Proton

Front

Positively charged center of an atom with protons and neutrons

Back

nucleus

Front

Neutral particle with no electrical charge in the atomic nucleus

Back

Neutron

Front

Protons and neutrons in the nucleus create the bottom number representing...

Back

atomic mass

Front

Protons in an atom's nucleus; determines element's position in the Periodic Table.

Back

Atomic Number

Front

Negatively charged particle in the electron cloud

Back

Electron

Front

Negatively charged space with electrons around the nucleus

Back

Electron Cloud

Front

Electrons in outer shell determine reactivity.

Back

Valence Electrons