CHM 2045C  Module One Sample Exam

 

M-1 Part C: Element Classification           5 points

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

 

1.    12C6                     ______________                 4.    1H1           _________________

 

2.    39K19                   ______________                 5.    4He2        _________________

 

3.    11B5                     ______________

 

M-1 Part K: Vocabulary           5 points

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

 

______________1.  A pure stances that can not be broken down any further by a

                                     chemical reaction.

______________2.  A pure substance that can be broken down further by a chemical

                                     reaction.

______________3.  The study of matter and the changes matter undergoes.

 

______________4.  Two or more substances mixed together uniformly through out of

                                     which a solution is an example.

______________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.

______________6.  Smallest particle or unit of an element.

 

______________7.  Smallest particle or unit of a compound.

 

______________8.  Stored energy that matter possesses owing to its position or

                                     composition.

______________9.  A symbolic representation of a compound indicating the number of

                                     atoms of each element.

______________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: