METRIC CONVERSION PROBLEMS (SHOW YOUR WORK)

1. How many mg are present in 156 kg?

2. How many liters are present in 235 mL?

3. Which is larger? 125.6 cm or 1345 mm?

4. If there are 2.54 cm in one inch, convert 23.4 meters to feet.

5. Convert 45 meters/sec to km/day.

VOLUME AND DENSITY PROBLEMS

  1. What is the volume of an aquarium measuring 150.0 cm by 50.0 cm by

35.0 cm?

  1. What is the height of a box which has a length of 3.50 meters, a width of

2.30 meters, and a volume of 30.0 cubic meters?

  1. A piece of metal with a mass of 42.7 grams is dropped in a graduated

cylinder containing 30.0 mL of water. The water level rises to a volume

of 35.3 mL. What is the density of the metal?

MATTER AND MIXTURES QUESTIONS

  1. What is the difference between a homogeneous and heterogeneous

mixture?

2. Briefly describe a solution.

3. Compare and contrast colloids and suspensions.

  1. Briefly write all the physical procedures used to separate sand, poppy

seeds, salt and iron powder.

5. Compare and contrast compounds and elements.

6. What is the difference between a physical and chemical property?

7. What is the difference between a physical and chemical change?

8. What are some of the signs that a chemical change has taken place?

IONIC COMPOUNDS, MOLECULAR COMPOUNDS AND NAMING

1. What types of bonds are present in ionic compounds?

2. What types of bonds are present in molecular compounds?

3. What types of elements are present in ionic compounds? (metals, non-

metals, or both)?

4. What types of elements are present in molecular compounds? (metals,

non-metals, or both)?

5. What is the smallest representative particle of an element?

ATOMS AND THE PERIODIC TABLE QUESTIONS

1. What particles make up an atom, and where is each located in the atom?

2. What does it mean when an element is said to have different isotopes?

3. What element are all the masses on the periodic table based on?

4. What does a.m.u mean?

  1. How does heating an element or passing electrical current over an

element cause different colors to be emitted?

  1. Which particle is responsible for the chemical reactivity of different elements?

7. What is a cation? What is an anion?

8. What is happening with regard to electrons when a positive ion forms

from a neutral atom?

  1. What is happening with regard to electrons when a positive ion forms

from a neutral atom?

  1. Give the most common charge associated with ions formed from

elements in the following groups on the periodic table:

1, 2, 13, 14, 15 ,16, 17.

  1. Where are metals, non-metals, and metalloids located on the periodic

table?

12. Give the names and contributions of the scientists who helped develop our modern

understanding of atomic theory.

REACTIONS QUESTIONS

  1. What is the difference between a coefficient and a subscript in a chemical

equation?

2. What are the five basic types of reactions?

3. What is the activity series? How do you use the activity series?

  1. How do elements at the top of the activity series differ from elements at

the bottom of the activity series?

(FOR PRACTICE IN BALANCING REACTIONS AND PREDICTING PRODUCTS OF REACTIONS SEE YOUR CHEMICAL REACTIONS TEST AND ALL OF YOUR WORKSHEETS)

Don’t Forget about Moles, Molecular and Empirical Formulas and % Composition!!!!!