Chapter 18 Review
A bond that forms between atoms when they share electrons is a(n) ____ bond.
Covalent
A compound that is composed of only two elements is a(n) ____.
Binary Compound
A(n) ____ is formed when atoms gain, lose or share electrons.
Chemical Bond
A(n) ____ tells what elements make up a compound and the ratios of the atoms of those elements.
Chemical Formula
An atom is _____ when its outer energy level is filled with electrons.
Chemically Stable
A(n) ____ is a compound that has water chemically attached to its ions.
Hydrate
An atom that has gained or lost electrons is called a(n) ____.
Ion
The force of attraction between the opposite charges of the ions in an ionic compound is a(n) ____.
Ionic Bond
Molecules that do not have oppositely charged ends are ____ molecules.
Nonpolar
A positive or negative number that is assigned to an element to show its combining ability in a compound is a(n) ____.
Oxidation Number
A molecule that has a positive and negative end is a(n) ____ molecule.
Polar
A compound that is composed of two elements is a(n) ____.
Polyatomic Ion