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Lesson 1: Describing Matter Flashcards | StudBud
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Lesson 1: Describing Matter
Lesson 1: Describing Matter
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Answers
1
Air is a homogeneous...
Pure Substance, Element
Pure Substance, Compound
Mixture
2
A solution is an example of a _________ mixture.
molecule
heterogeneous
compound
homogeneous
3
Anything that has mass and takes up space.
matter
element
substance
compound
4
Which of the following is a chemical property?
flammability
color
hardness
texture
5
Which of the following is a physical change?
gas burning on a stove
salt dissolving in a glass of water
rust forming on an iron fence
gas being produced
6
An example of a chemical change.
freezing water
burning wood
crushing a can
boiling water
7
Homogeneous mixtures are also called
solutions.
molecules.
atoms.
compounds.
8
Which of the following is a physical property of water?
melting point
reactivity
flammability
9
Which of the following is a solution?
trail mix
vegetable soup
salt water
Macaroni and cheese
10
The elements in a compound keep their own properties.
True
False
11
The parts of a mixture cannot be separated.
True
False
12
Which of the following changes is not a chemical change?
burning wood
gas produced
breaking glass
reacts with oxygen
13
What is the ratio of Hydrogen to Oxygen atoms in a molecule of water H2O?
2:1
2:2
1:1
1:2
14
Is Pizza a Heterogeneous or Homogeneous Mixture?
Homogeneous
Heterogeneous
15
The basic particle of matter
compound
molecule
atom
element
16
Chemical structure of Water H2O.
1 atom oxygen, 2 atoms hydrogen
1 atom carbon, 2 atoms hydrogen
2 atoms oxygen, 1 atom hydrogen
2 atoms oxygen, 2 atoms hydrogen
17
Two or more different elements chemically combined in a set ratio.
mixture
element
atom
compound
18
Iron rusting is an example of a __________________ property of iron.
physical
chemical
19
Soil is classified as a ____________ mixture.
endothermic
heterogeneous
exothermic
homogeneous
20
Two or more substances that are not chemically combined.
mixture
compound
element
atom
21
The ability to dissolve in water and to conduct electricity are examples of _____________ properties.
chemical
physical
22
Study of the properties of matter and how it changes.
physics
biology
chemistry
science
23
A mixture that you can see the different parts in.
homogeneous
heterogeneous
24
Force that bonds atoms together.
mixture
compound
physical bond
chemical bond
25
How much matter is in an object.
volume
weight
mass
density
26
An example of a heterogeneous mixture is...
Kool-Aid
chocolate milk
trail mix
lemonade
27
A change in the form or appearance of matter is a ___________________ change.
Physical
Chemical
28
Hydrogen, Oxygen, and Nitrogen are all types of
elements
mixtures
compounds
solutions
29
Substances that cannot be broken down into any other susbstance by any chemical or physical change.
mixtures
elements
molecules
compounds
30
Carbon dioxide (CO
2
) is classified as a(n)
compound
element
mixture
solution
31
How many carbon atoms are in the compound sugar C6H12O6?
2
1
12
6
32
What are physical properties?
Observed by a chemical change or chemical reaction
Properties that are used to observe and describe matter.
33
What are chemical Properties?
Properties that describe what it looks like.
A chemical property is visible after a chemical reaction
34
SI or metric unit for mass.
meter
gram
centimeter
liter
