Honors Chemistry
Name ______________________________
CHAPTER 1: CLASSIFICATION OF MATTER WS
Date_____/_____/_____
Period _____
CLASSIFICATION OF MATTER
1. Draw a diagram to represent the 4 different classifications of matter.
Heterogeneous
Mixture
Homogeneous
Mixture
Element
Compound
Classify the following as element (E), compound (C), heterogeneous mixture (H), or solution (S).
2.
hydrogen gas
E
4.
clean air
S
3.
orange juice
H
5.
carbon dioxide (CO2)
C
6.
Compare and contrast a mixture and a compound. How are they a like / different?
A mixture and compound are alike in the fact that they are both made up of more
than one element. They are different in the fact that the elements in a compound are
chemically bonded to on another and the substances that make up a mixture are not
bonded together.
7.
Hydrazine, N2H4, is a corrosive liquid used in rocket and jet fuels. Ammonia, NH3, is a gas
that dissolves in water to form a solution that can be used as a cleaning agent. How do
hydrazine and ammonia illustrate the law of multiple proportions? You can look up the
definition of the law of multiple proportions in the back of your textbook.
law of multiple proportions – when two elements combine to form two or more
compounds, the mass of one element that combines with
a given mass of the other is in the ratio of small whole
numbers.
Both compounds follow the law of multiple proportions in the fact that the small whole
number ratio of nitrogen is 2:4 or 1:2 and 1:3 respectively.
Classify as solution, colloid, or suspension.
8.
Smoke (Cig) colloid & (Camp) suspension
9.
paint
suspension
10. tap water
solution
11. whipped cream
colloid
12. For each mixture, draw a picture showing the
size and distribution of particles in a liquid.
SOLUTION
COLLOID
SUSPENSION
PROPERTIES & CHANGES IN MATTER
Classify the following properties of matter as chemical (C) or physical (P).
13. flexible
P
15. boils at 20C
P
14. combustible
C
16. low reactivity
C
Classify the following as chemical changes (C) or physical changes (P).
17. grapes fermenting
C
18. copper melting
P
19. recycling aluminum
P
20. gasoline exploding
C