Molecules | Introduction to Chemistry

Isomers

________ are molecules with the same atoms in different geometric arrangements.

basic unit of matter

An atom is defined as a(n) ________ that contains a centralized dense nucleus surrounded by an electron cloud.

Macromolecules

________ are large molecules composed of smaller subunits; this term from biochemistry refers to nucleic acids, proteins, carbohydrates, and lipids.

molecules

All compounds are ________ but not all ________ are compounds.

polyatomic ions

Molecules are neutral and carry no charge; this property distinguishes them from ________, such as nitrate (NO3)- .caffeine molecule: Caffeine is a complicated molecule, composed of many atoms bonded to each other in a specific arrangement.

CH2O

________= empirical (simplified ratio) formula for glucoseIsomers.

chemical covalent

Molecule- Two or more atoms that are held together by a(n) ________ bond.

Molecular size varies

________ depending on the number of atoms that make up the molecule.

composition of a molecule

The geometry and ________ will determine its chemical and physical properties.

Isomers

________ are molecules with the same atoms in different geometric arrangements.

Molecules

________ are neutral and do not carry any charge.