Physical Science 9 Practice Test for Atomic Matter

1        Define 3 of the following terms macroscopically:

a)      Atomic matter

b)      Ionic compound

c)      Non-uniform mixture

d)      Element

2        Define 3 of the following terms microscopically:

a)      Pure substance

b)      Covalent compound

c)      Uniform mixture

d)      Element

3        Give an example for 3 of the following:

a)      Covalent compound

b)      Ionic compound

c)      Non-uniform mixture

d)      Element

4        Describe how to go about finding the density of a sample in the lab.

5        Describe how to go about find the melting point of a sample in the lab.

6        Sketch the graph of temperature vs. time for a sample of water going from absolute zero until it has completely evaporated.

7        Classify the following compounds as ionic or covalent:

a)      NO₂

b)      MnI₂

c)      CaCℓ₂

d)      C₂Cℓ₄

8        Write the formula for a compound made from:

a)      One oxygen and one silver atom

b)      One phosphorous and four oxygen atoms

9        Classify the atoms in question 8 (ionic or covalent)

10    Find the molecular mass of the compounds in question 7 in amu.

11    Find the molecular mass of the compounds in question 8 in kg.

12    Be able to do a round of the questioning game we did in class, where I think of a type of atomic matter and you “guess” the type by asking a series of questions about its macroscopic properties.