Chemistry Final Review

What is the formula for a compound made of calcium and fluorine? –CaF 2

Name the compound – Cu 3 (PO 4 ) 2 Copper (II) phosphate Cupric phosphate

Ionic bonds involve ______ of electrons. Gain or loss

The Octet Rule states that elements desire to have ____. –8 electrons in outer shell/energy level

In a Lewis structure, the _______ electrons are shown. –Valence

There are 2 types of covalent bonds. What are they? –Polar and nonpolar covalent

What is the oxidation number (or charge) of nitrogen in most compound? –-3

The numbers that appear in front of formulas are called _________. –coeficients

Avogadro’s number is ________. –6.022 *10 23

A balanced chemical equation means __________________. –Equal numbers of each element on both sides of equation

A solid compound produced in a reaction is called a _________. –percipitate

A reaction in which 2 substances combine to form 1 new substance is called ______. synthesis

A reaction in which one element replaces a similar element is called _________. –Single displacement

A limiting reactant is the reactant which _________. –Dictates how much of each product can be produced

How many valance electrons does aluminum have? –3–3

VSEPR theory is used to predict the _______ of molecules. shape

What are diatomic molecules? –Have a subscript of 2

Molar mass is _________ and the units are _______. –Mass of 1 mole of a compound –Grams/mole

Bond character is indicated by _________. A difference in electronegativity