Semester Final 1

Fundamental of Science

100

A rectangular block has dimensions of 2.9cm x 3.5 cm x 10.0cm.  The mass of the block is 615.0g.  What is the volume of the block and what is the density of the block.

6.1 g/mL

200

1. 5,280 cm3 = _____________________L

5.280 L

300

1. Solve the following problem using dimensional analysis.  (8 points)      

1 mile = 1600 meters    60 min = 1 hours        60 s = 1 min

35 miles / hour = ______ m/s

16 m/s

400

1. 4.00K  = __________F

-452 F

500

2.567 Mg = _____________________kg

2.567 x 10³ kg

Classification and Properties of Matter

100

Solve the following specific heat problem.   What is the specific heat of a 35g sample of material that absorbs 48 J of energy when the temperature is increased from 298K to 313K.

c = 0.091 J/gk

200

1. Indicate the number of significant figures in the following numbers:  (2 points each)

1. 0.0000450 = _____________ sig figs

3 sig figs

300

1. Indicate the number of significant figures in the following numbers: 

39050000  = _______ sig figs

4

400

1. Place the following numbers into scientific notation.  (2 points each)

2. 0.000067809= _________________

6.789 x 10^-5

500

1. Place the following numbers into scientific notation.  

1. 3,000,000.0 = _________________

3.000000x 10⁶

History of the Atom

100

List the number of protons, neutrons and electrons for the following isotopes and ion: ⁸⁹Y

p: 39 n: 50 e: 39

200

List the number of protons, neutrons and electrons for the following isotopes and ion: ²³⁸U

p: 92 n: 146 e: 92

300

List the number of protons, neutrons and electrons for the following isotopes and ion: ⁴⁰Ca⁺²

p: 20 n: 20 e: 18

400

Complete the electron configuration for Mg

1s²2s²2p⁶3s²

500

Complete the electron configuration for Cu

1s²2s²2p⁶3s²sp⁶4s¹3d¹⁰

Periodic Table

100

Arrange the following atoms by increasing ionization energy:  Cl, Te, Br, Ca.  

Te, Ca, Br, Cl

200

Arrange the following atoms by increasing atomic radii.  Cl, Te, Br, Ca.  

Cl, Br, Ca, Te

300

Complete the electron configuration for N^-3

1s²2s²2p⁶

400

  Convert the following: How many atoms are in 90.4 g of CuO?

6.84x10²³ atoms

500

Complete the following nuclear decay reactions:

Beta-decay of ²³⁴₉₀Th

²³⁴₉₀Th -> ⁰_-1e + ²³⁴₉₁Pa

Chemical Bonding

100

1. Complete the following nuclear decay reactions:

 Alpha Decay of ²⁴³₉₅Am 

²⁴³₉₅Am -> ⁴₂He + ²³⁹₉₃Np

200

Solve the following half-life problems.

What percentage of an original sample remains after 4797 years have passed?  The half-life is 1599 years

12.5%

300

Name or write the following compounds.:

Fe(C₂H₃O₂)₂

Iron (II) Acetate

400

Name or write the following compounds.:

Copper (I) Nitrite

CuNO₂

500

Lewis structure and VSEPR shape

NO₂^-1

Bent