CHEM 1001/CHM 1020/CHM 1025C/CHM 1032C, CHM 2045C

Module One Sample Test                               

 

M-1 Part C: Element Classification           10 points

 

 

M-1 Part C: Element Classification           10 points

Using the periodic chart provided, in the blanks below write the classification of the elements listed. Please use:

 

Metal,

Nonmetal,

Nonmetal-Nobel Gas (inert),

Nonmetal-class by itself;

or Semimetal (Metalloid or Amphoteric).

 

 

1.    12C6            nonmetal______                      

 

2.    39K19           metal_________                      

 

3.    11B5            semimetal___________

 

4.    1H1              _non metal (class by itself)_

 

5.    4He2           nonmetal-Nobel Gas__

 

6.   238U92           metal________________

  

7.   23Na11                    metal________________

 

8.  32S16                          nonmetal_____________

 

9. 35Cl17                          nonmetal______________

 

10. 84Kr36                      nonmetal-Nobel Gas______

 

 

 

 

 

 

 

This is just a short practice, the actual test is 15 definitions or over 50 online,

 

M-1 Part K:                  Vocabulary Corwin chap 1 & 4           15 points

In the blank below, write word(s) that best fit the description:

 

__ element __         1.  A pure stances that can not be broken down any further by a

                                     chemical reaction.

__ compound __     2.  A pure substance that can be broken down further by a chemical

                                     reaction.

_ chemistry ___      3.  The study of matter and the changes matter undergoes.

 

homogeneous mixture  4.  Two or more substances mixed together uniformly through out of

                                     which a solution is an example.

metaloids (semimetals)  5.  Elements which properties in between the metals and nonmetals

                                     and under one condition they act as metal, while under other

                                     conditions may act as a nonmetal.

__ atom _____         6.  Smallest particle or unit of an element.

 

molecule (ion-formula unit)  7.  Smallest particle or unit of a compound.

 

Potential energy_    8.  Stored energy that matter possesses owing to its position or

                                     composition.

chemical formula     9.  A symbolic representation of a compound indicating the number of

                                     atoms of each element.

_ kinetic energy       10. The Energy associated with the mass and velocity of a particle or

                                     the energy of motion of a particle.

 

 

Alternate Answer:  Write a definition below of one word in the vocabulary list not referenced above and you may leave one of the words blank:

 

 

 

 

 

 

 

(Answers: 1.element; 2.compound; 3. chemistry; 4. homogeneous mixture; 5.metaloids (semimetals); 6. atom; 7. molecule (ion-formula unit); 8. potential; chemical formula; 10.kinetic energy

 

Alternate Answer:  Write a definition below of one word in the vocabulary list not referenced above and you may leave one of the words blank: