Page 371 - Teacher Preview Copy
P. 371
Constructed Response . Topic 1: Matter and energy


Set A: Types of matter, composition of matter


Constructed responses

Set A: Types of matter, composition of matter Topic 1: Matter and energy

Base your answers to questions 1 – 4 on the diagram below concerning the classification of matter.

Matter

Mixture Substances


Homogeneous X Elements Z



Write your answer on this side:


1. What type of substance is represented by Z? 1.




2. What type of mixture is represented by X? 2.


3. Identify one type of matter in the diagram 3.

that is composed of atoms of the same atomic number.



4. Identify one type of matter in the diagram that can have 4.


varying ratio of composition.


Teacher Preview Copy
Teacher Preview Copy

Set B: Types and composition of matter, temperature and average kinetic energy


Base your answers to questions 5 - 8 on the pictures below.

•• • o

• • • o o


B C

A
Write your answers on this side.

5. Contrast sample A and sample B in terms of compounds 5.

and mixtures. Include both sample A and B in your answer.



6. Explain why sample C could represent a mixture of fluorine 6.

and hydrogen chloride.



7. Explain, in terms of composition, why sample A represents a 7.

pure substance.




8. Explain how the average kinetic energy of sample B can be 8.

equal to the average kinetic energy of sample C.



Copyright©2010 E3 Scholastic Publishing. All Rights Reserved. SurvivingChem.com 361
   366   367   368   369   370   371   372   373   374   375   376