Review Chemistry I Final Exam

* Conversions

How many kilometers in 12.0 m? How many meters in 13 mm?

* Significant figures

13.4 + 145.67 = ? 147.2 x 34.5 = ?

* Classifying Matter (element, compound, mixtures)

Lead PlasticSkinBaking soda (sodium bicarbonate)

* Physical and Chemical Properties (density d= m/v)

List some physical properties of water…. chemical properties…are those properties intensive or extensive?

If you have 4.5 g of aluminum and its density is 2.70 g/ml, what is its volume?

List some physical changes… chemical changes…

* Atomic Symbols (atomic number, mass and isotopes)

What are the atomic symbols for common elements such as silver, mercury, gold, iron, potassium, sodium?

How many atoms are represented in the formula H2SO4?

What are carbon-12 and carbon-14? How do they differ?

16

How many electrons, protons and neutrons are in 7N ?

How does an atom become an ion with a -1 charge?

* Family names

Which elements are in the alkaline earth metals? What about each of the other families?

* Covalent, Ionic and Metallic bonding

How do these bond types form? What gives them their properties?

What type of bond will be formed between the following two elements?

Ca-OC-OI-ICu-CuNa-ClH-O

What is the difference between polar and non-polar bonds and polar and non polar molecules?

Draw Lewis structures for ionic compounds and covalent molecules

NH3NaClCa(NO3)2

* Electron configurations (quantum numbers and dot diagrams)

What is the electron configuration of boron?

Which sublevels are in each energy level?

How many orbitals in each sublevel?

What element has an electron configuration of 1s22s23s23p64s1?

What is the dot diagram for Al? What about CO2?

Know the trick for checking your electron configuration on the periodic table…

* Electron emissions (energy, frequency and wavelength problems E=hν and c=λν)

What is the frequency of the light with a wavelength of 450nm? What about energy?

* Stoichiometry

Writing formulas and naming compounds

What’s the name of Cu2(SO4)3? What’s the formula for tricarbon diflouride?

Practice problems: pg 198 #50 and 51

Balancing Equations

Practice problems: pg 264 #61 and 63

Classifying Reactions (synthesis/combination, combustion, decomposition, double displacement, single displacement)

Practice problems: pg. 233 #43, 47, 48, 51

Determining molecular mass of 1 mole of a compound

NaOHCuSO4(NH4)3PO4

  • Conversions (using the index cards)

-gram to gram

-gram to mole / mole to gram

-mole to mole

-atoms to mole / mole to atoms

-grams to volume pg 263 #53

-molarity to grams pg 528 #50 and 52

Practice problems: pg. 262-264 #37, 38, 51, 52

  • Limiting Reagents pg 262 #44-46

Don’t need to know…

*Molecular Shapes

  • Identify molecular geometrical shape and bond angles

Practice problems: pg 459 #14 and 18 pg 470-471 #48 and 54