Biology Final Vocab p. 1-3

Front

Atom

Back

The basic unit of matter

Front

Element

Back

Substance with one type of atom

Front

Isotope

Back

Atoms of the same elements with different number of neutrons

Front

Proton

Back

Positive particle found in nucleus

Front

Electron

Back

Negative particle found outside nucleus

Front

Compound

Back

Two or more elements joined together

Front

Ionic bond

Back

Electron moved from one atom to another

Front

Covalent bond

Back

Electrons shared between atoms

Front

Polar molecule

Back

Has an unequal distribution of charge

Front

Cohesion

Back

Water molecules attracted to themselves