Molecules | Introduction to Chemistry

polyatomic ions

Molecules are neutral and carry no charge; this property distinguishes them from ________, such as nitrate (NO3)-

basic unit of matter

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

chemical covalent

When two or more atoms are held together by a(n) ________ bond, this new entity is known as a molecule.

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.

CH2O

________= empirical (simplified ratio) formula for glucose.

C6H12O6

________= molecular formula for glucose.

Molecules

________ are neutral and do not carry any charge.

chemical covalent

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

molecule

Each ________ is a structural isomer of the other.

molecule

Two or more atoms that are held together by a chemical covalent bond

compound

when two or more different atoms are held together by a covalent bond

covalent

when 2 or more nonmetallic atoms are bound together by sharing electrons

isomer

Molecules with the same number of atoms in different geometric arrangements

propanol structural isomers

The chemical formula for propanol (C3H7OH) describes several different molecules, which vary by the position of the alcohol (OH)