Classification of Matter

Test your knowledge on basic concepts of chemistry including matter, elements, properties, reactions, mixtures, and compounds.

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Questions 20

Answers

1
What does hardness measure?
Color of substance
Resistance to scratching
Weight of material
Density of object
2
What is a homogeneous mixture?
Non-uniform mixture
Solid mixture
Uniform composition
Gas mixture
3
What is a heterogeneous mixture?
Non-uniform composition
Uniform composition
Chemical compound
Single substance
4
What is an endothermic reaction?
No energy change
Absorbs energy
Releases energy
Creates heat
5
What does reactivity measure?
How it burns
How heavy it is
How it combines
How cold it is
6
What is a mixture?
Chemical compound
Pure element
Combined substances
Single substance
7
What is the melting point?
Gas to solid
Liquid to gas
Solid to liquid
Liquid to solid
8
What is toxicity?
Amount of substance
Color of substance
Degree of poison
Degree of safety
9
What is a colloid?
Uniform solution
Evenly dispersed mixture
Chemical reaction
Solid substance
10
What is a phase change?
Change in shape
Change in mass
Change in color
Change in state
11
What is the smallest unit of an element?
Atom
Element
Molecule
Compound
12
What is an exothermic reaction?
Absorbs energy
Creates cold
No energy change
Releases energy
13
Complete the sentence: An element is a...
mixture of substances
compound of atoms
chemical reaction
pure substance
14
What is flammability?
How cold it is
How solid it is
How heavy it is
How easily it burns
15
Which property can be observed without changing identity?
Chemical property
Toxicity
Physical property
Reactivity
16
What is a compound?
Different elements combined
Homogeneous mixture
Single element
Mixture of substances
17
What is a chemical property?
Physical characteristic
Observable without change
Mass of substance
Observable with change
18
What is density?
Weight of substance
Mass per volume
Volume per mass
Size of object
19
What is matter?
Only solids
Anything with mass
Only gases
Only liquids
20
What forms when atoms join together?
Mixture
Compound
Element
Molecule

Classification of Matter Flashcards | StudBud

Classification of Matter

20 termsStudBud Administration

Test your knowledge on basic concepts of chemistry including matter, elements, properties, reactions, mixtures, and compounds.

Flashcards20 cardsFPractice quizPHost liveL

Questions 20

Answers

1
What does hardness measure?
Color of substance
Resistance to scratching
Weight of material
Density of object
2
What is a homogeneous mixture?
Non-uniform mixture
Solid mixture
Uniform composition
Gas mixture
3
What is a heterogeneous mixture?
Non-uniform composition
Uniform composition
Chemical compound
Single substance
4
What is an endothermic reaction?
No energy change
Absorbs energy
Releases energy
Creates heat
5
What does reactivity measure?
How it burns
How heavy it is
How it combines
How cold it is
6
What is a mixture?
Chemical compound
Pure element
Combined substances
Single substance
7
What is the melting point?
Gas to solid
Liquid to gas
Solid to liquid
Liquid to solid
8
What is toxicity?
Amount of substance
Color of substance
Degree of poison
Degree of safety
9
What is a colloid?
Uniform solution
Evenly dispersed mixture
Chemical reaction
Solid substance
10
What is a phase change?
Change in shape
Change in mass
Change in color
Change in state
11
What is the smallest unit of an element?
Atom
Element
Molecule
Compound
12
What is an exothermic reaction?
Absorbs energy
Creates cold
No energy change
Releases energy
13
Complete the sentence: An element is a...
mixture of substances
compound of atoms
chemical reaction
pure substance
14
What is flammability?
How cold it is
How solid it is
How heavy it is
How easily it burns
15
Which property can be observed without changing identity?
Chemical property
Toxicity
Physical property
Reactivity
16
What is a compound?
Different elements combined
Homogeneous mixture
Single element
Mixture of substances
17
What is a chemical property?
Physical characteristic
Observable without change
Mass of substance
Observable with change
18
What is density?
Weight of substance
Mass per volume
Volume per mass
Size of object
19
What is matter?
Only solids
Anything with mass
Only gases
Only liquids
20
What forms when atoms join together?
Mixture
Compound
Element
Molecule