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Chemistry 1 Fall Final Review

This is a list of topics covered this semester. Use it as a checklist, spend more time on concepts you have trouble with.

Chapter 1

1. List the parts of the scientific method.

2. Which of the following is an inference? (circle all that apply) a. The ground is wet outside

b. Is must have rained

c. Charlie is afraid of spiders d. Megan has four books in her bag

3. Circle all the intensive properties below. a. Mass

b. Density c. Length

d. Hardness e. Boiling point f. Volume

Chapter 2

1. Describe the following as physical or chemical properties. a. Temperature

b. Boiling point c. Color

d. Volume e. Freezing point

2. Describe the following as physical or chemical changes. a. Bending

b. Burning c. Cutting

d. Rusting e. Melting

3. Draw particles that represent the three states of matter.

4. Describe the following as elements or compounds. a. Zinc

b. HCl

c. Hydrogen

d. Lead (IV) sulfate 5. Write the laws of conservation of mass and conservation of

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Chapter 3

1. Describe the following as a quantitative and qualitative measurement.

a. The car is blue

b. We have 29 people in this class c. Her hair is shiny

d. The metal weighs 29.7 grams

2. Place the following in scientific notation or take it out of scientific notation as needed.

a. 0.0009856 = ____________________ b. 1.26 x 103 = ____________________

c. 56,447 = ____________________ d. 4.55 x 10-3= ____________________

3. A student measured the mass of a block of metal four times. She got the following measurements. The metal actually weighed 22.0g.

a. 21.8 g b. 22.0 g

c. 22.1 g d. 21.9 g

Describe these values in terms of accuracy and precision.

4. Calculate the percent error in the above problem using the value for letter d.

5. How many significant digits are in the following measurements? a. 12.660 = ______________

b. 0.006445 = ______________ c. 1.7000 = ______________ d. 15000 = ______________

6. In terms of volume 1 _____=1cm3

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8. Convert the following from Kelvin to Celsius or from Celsius to Kelvin as needed.

a. 289K = _____________ °C b. 15.6°C = ____________ K Chapter 4

1. An object is traveling at a speed of 7500. cm/sec. Convert this speed to km/min.

2. Determine the number of atoms in 2.00 moles of sodium.

3. How many slops are in 16.3 wizzles?

18.4 zirks = 9.2 slops 27.0 wizzles = 8.2 fuzzles 295.2 zirks = 1 fuzzle

4. Calculate the gram formula mass (or molar mass) or Na2CO3.

5. Calculate the mass, in grams, of 0.500 moles of Ca(NO3)2.

Chapter 5

1. Write the concepts of Dalton’s atomic theory below.

2. Complete the following table:

Isotope #

protons

# neutrons

# electrons

Mass # Atomic #

Carbon-14

92 238

Silicon-28

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3. Draw an atom of nitrogen below. Label the protons, neutrons and electrons.

4. What particles make up the nucleus? What is the overall charge of the nucleus?

5. Draw the elemental symbol of any atom you choose. Label its atomic number and mass number.

6. What is an isotope?

7. On the periodic table below, label the families in the periodic table and draw a star by each period. Also, label the

representative elements and the transition metals. Identify the metalloids.

8. List three properties of metals and nonmetals below.

9. Match the following scientists with their experiments or discoveries.

____ Rutherford A. Discovered the electron ____ Millikan B. Gold foil experiment

____ Thomson C. Devised the planetary model ____ Bohr D. Found the charge of the electron

Chapter 6

1. Write an element that would form a cation (+) and one that would form an anion (-).

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3. List the properties of molecular and ionic compounds below.

4. Practice ion quiz!

a. Phosphate ___________ b. Sulfate __________ c. Hydroxide _________ d. Carbonate __________ e. Permanganate __________

5. Write the following compounds below.

a. Potassium hydroxide _____________ b. Sodium acetate _____________ c. Lead (IV) sulfate _____________ d. Ammonium chloride _____________ e. Dinitrogen trioxide _____________

Chapter 7

1. Draw the mole road map below, labeling all conversions.

2. Find the percentage of nitrogen in NH4NO3. (% composition)

3. Calculate the empirical formula of a compound that is 40.2% K, 26.9% Cr, and 32.9% O. (hint: look up the poem in your notes)

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5. Calculate the number of carbon atoms in 3.00 mol of C3H8.

6. What is the volume of 58.0 g of chlorine gas at STP?

Chapter 8

1. For the following, indicate the type of reaction, predict the products and balance:

a. ______ C3H8 + O2 →

b. ______ Br2 + NaI →

c. ______ Al + Cl2 →

d. ______ AgNO3 + MgCl2 →

e. ______ H2O →

2. When writing equations, you might see the following symbols. Write their meaning in the space provided.

a.  _________

b.  _________

c. (g) _________ d. (s) _________ e. (aq) _________ Chapter 9

1. How many grams of calcium metal will react completely with 10.0 grams of water to yield calcium hydroxide and hydrogen gas?

___Ca+ ___H2O ___Ca(OH)2 + ___H2

2. Heating an ore of antimony (Sb2S3) in the presences of iron gives

the element antimony and iron (II) sulfide.

Sb2S3 (s) + 3 Fe (s) → 2 Sb (s) + 3 FeS (s)

When 15.0 g Sb2S3 reacts with an excess of Fe, 9.84 g Sb is

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3. 7.5 g of hydrochloric acid react with 6.5g of zinc to produce hydrogen gas and zinc chloride. Write the equation below, balance it, and then determine the grams of hydrogen gas produced by each reactant.

What is the limiting reactant in this problem?

Chapter 13 & 14 1. Periodic trends

Place arrows on the table below to indicate the periodic trends for electronegativity, ionization energy and atomic radius.

2. Place the following groups of elements in order of increasing electronegativity.

a. Li, Fe, Fr, Si ______________________ b. C, O, Sb, Br ______________________

3. Place the following groups of elements in order of increasing ionization energy.

a. Zn, Xe, F, B ______________________ b. H, Rb, Ni, Cl ______________________

4. Place the following groups of elements in order of increasing atomic radius.

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5. Label each arrow to indicate what each part of the electron configuration represents.

1s

2

2s

2

2p

6

3s

2

6. What is the electron configuration of the following:

a. selenium: ____________________________________

b. selenide: _____________________________________

c. bromine: _____________________________________

7. Fill in the following table using what you know about quantum numbers.

Sublevel Quantum # Shape # of orbitals Total # of electrons s

References

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