Fundamentals of Chemistry and Biology

Front

Atom

Back

Smallest unit of matter

Front

Proton

Back

Positively charged particle in nucleus

Front

Neutron

Back

Neutral particle in nucleus

Front

Electron

Back

Negatively charged particle orbiting nucleus

Front

Ion

Back

Atom with a charge due to loss or gain of electrons

Front

Cation

Back

Positively charged ion

Front

Anion

Back

Negatively charged ion

Front

Element

Back

Pure substance of one type of atom

Front

Hydrogen

Back

Lightest element, atomic number 1

Front

Oxygen

Back

Essential for respiration, atomic number 8