Chemistry Final Review Game

Ms. Bradley

Periodic Table

• What group does calcium belong to?

• What group does lithium belong to?

Periodic Table

• Group 7 are called the ____________

• Group 8 are called the ____________

Rates of Reaction

• What is a ‘rate’?

Rates of Reaction

• Which reacts the SLOWEST?a. A large tablet of alka seltzer

b. Half of a tablet of alka seltzer

c. Powdered alka seltzer

d. They all react at the same rate

Rates of Reaction

• If the temperature of a reaction is higher, is the reaction rate faster or slower?

• Why?

Physical and Chemical Changes

• Which of the following is NOT a physical change?– A. cutting paper– B. molding clay– C. burning wood– D. grinding metal

Physical and Chemical Changes

• What observations can you look for that shows a chemical reaction has occurred?

Acids/Bases

• Acids taste _________

• Bases taste _________

Acids/Bases

• Hydroxides (OH-) are all _________

• Hydronium (H+) are all __________

Acids/Bases

• Monoprotic, diprotic, triprotic acids

• Mono means ______• Di means ______

• Tri means ______

• Protic means ______

Acids/Bases name if time

• Which of the following is a DIprotic acid?

– H3PO4

– H2SO4

– HBr

– CH3COOH

Pressure

• 1 atm= _____ torr

• 1 atm= _____ mmHg

100 torr= _______ mmHg

Pressure

• Convert 795 mmHg to atm

• Convert 1.50atm to torr

Partial Pressures

• OOPS! We didn’t have time to do this…. Real quick!

• Dalton’s law of partial pressures….

Ideal Gas Law

• The ideal gas law equation is….

• If I have pressure, volume, and temperature.. What can I use the ideal gas law to find?

Reaction symbols

• (s)= _________________

• (l)= _________________

• (g)= _________________• (aq)= _________________

• What does (aq) mean?

Types of reactions

What are the 5 types of reactions?

In a decomposition you have _____ reactant and _____ products.

In a ________________ reaction, two compounds form two new compounds.

Elements/Compounds/Mixtures

• Where do I find elements?

• What is a compound?

• What is the difference between homogeneous and heterogeneous mixtures?

Electron Configuration

• What is the electron configuration for N (nitrogen)?

• What is the electron configuration for Mg (magnesium)?

Lewis Structures

• C= ______ bonds

• N= ______ bonds

• O= ______ bonds• H= ______ bonds

Lewis Structures

Bonding in molecules that cannot be correctly represented by a single (one) Lewis structure is….

a. polyatomic

b. resonance

c. single bonding

d. double bonding

Lewis Structures

• How many total electrons are in the lewis structure for CO2?

• How many total electrons are in the lewis structure for CH4?

• How many total electrons are in the lewis structure for Li2S?

Oxidation numbers

• The sum of all oxidation numbers in a compound equals _______.

• What is the oxidation number of hydrogen in most compounds?

• What is the oxidation number of oxygen in most compounds?

Percent Composition• Part/Whole x 100= percent composition

• What is the percent composition of oxygen in carbon monoxide?

• What is the percent composition of hydrogen in ammonia (NH3)?

Empirical and Molecular Formulas

• _______________ formulas are the simplest form of a formula with the lowest subscripts.

• Is C3H12 an empirical or molecular formula?

Nomenclature (naming)

• When do you use the prefixes mono, di, tri, etc… in ionic or covalent bonded molecules?

• What is the name for MgCl2?

• What is the name for SF6?

Bonding (ionic, covalent, metallic)

• ______ bonds are between a metal and a nonmetal with positive and negative charges.

• ______ bonds are between 2 nonmetals.

• _______ bonds have a sea of electrons.

• Mole ratio• Stoich• Exo/endo• Precipitate• Atom• Radioactive cookies• Balance• Molar mass• Essay portion