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Chemistry Vocabulary (Grade 9 Recommended) Dif: Very Hard Flashcards | StudBud
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Chemistry Vocabulary (Grade 9 Recommended) Dif: Very Hard
Chemistry Vocabulary (Grade 9 Recommended) Dif: Very Hard
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1
A type of change that alters the physical properties of a substance but does not change its composition is called...
Physical Property
A Solution
Physical Change
Chemical Change
2
A physical property is...
A type of change that alters the physical properties of a substance.
All of the above
The ability of a substance to combine with or change into 1+ substances.
A feature that can be measured without changing the sample's composition.
3
A Chemical Combination of two or more elements joined together in a fixed proportion is called...
A molecule
A chemical reaction
A bond
A compound
4
The study of matter and the changes it undergoes is called...
Physics
Astronomy
Chemistry
Biology
5
Final 4:
An example of an element is...
Na
H2O
C12H22O11
NO
6
Weight measures the amount of matter.
False
True
7
Final Question (2000 pts):
An non-example of a Alloy is...
Bronze
Solder
Thallium
Pewter
8
Final 2:
An example of a Solvent is...
Sugar
Water
Salt Water
All of the above
9
Final 5:
An example of a Chemical Formula is...
Li
Uup
Ds
PB
10
An Aqueous Solution is...
When the solvent is water
A Heterogeneous Mixture
When the Solute is water
A Uniform mixture that can contain solids, liquids or gases.
11
A Solvent is...
The substance that dissolves a solute to form a solution
A Chemical Property
A Heterogeneous Mixture
One or more substances dissolved in a solution
12
The ability of a substance to combine with or change into one or more substances is called a...
Physical Property
Chemical Property
Chemical Formula
Chemical Change
13
Anything that has mass and takes up space is referred to as...
Element
Pure Substance
Mass
Matter
14
Atoms are...
Smallest particle of an element that retains their own unique properties.
Uup
All of the above
An example of matter
15
One that has a uniform composition throughout and always has a single phase
A Chemical Reaction
A Regular Mixture
A Homogeneous Mixture
A Heterogeneous Mixture
16
Chemical Symbols...
All of the above
KI
are letters are always capitalized
Consists of one, two, or three letters. 1st: Capital. Others: lower cases
17
Final 3:
What is an example of an Alloy?
Bronze
Brass
Steel
All of the above
18
A Mixture that has metallic Properties are...
Elements
Heterogeneous Mixtures
Alloys
Homogeneous Mixtures
19
A chemical change is a process involving one substance changing into a new substances
True
False
20
Density is...
All of the above
The amount of mass per unit volume
M/V
A Physical Property
21
Define Chemical Change
A Process involving 1+ substances changing while keeping its properties.
A Process involving one or more substances changing into a new substance.
A Uniform mixture that can contain solids, liquids or gases
A Process involving one substance changing into a new substance
22
A Solute is...
A Chemical Property
The substance that dissolves a solute to form a solution
A Heterogeneous Mixture
One or more substances dissolved in a solution
23
A Chemical Formula is...
A process involving 1+ substances changing into new substances.
y=mx+b
Indicates numbers + types of atoms contained in one unit of the compound.
Consists of one, two, or three letters
24
Molecules are...
Formed when 2+ more atoms bond and is lower in potential energy than atoms
Au
All of the above
Atoms
25
A Property generally is...
A feature that can be measured without changing the sample's composition.
Characteristics and behavior of matter
The ability of a substance to combine with or change into 1+ substances.
The Study of matter and the changes it undergoes
26
One that does not have a uniform composition and in which the individual substances remain distinct is called...
A Heterogeneous Mixture
A Chemical Reaction
A Regular Mixture
A Homogeneous Mixture
27
A Bond is...
When atoms stick to each other
A Chemical combination of two or more elements joined together.
The force that holds two or more atoms together
All of the above
28
A Solution is...
All of the above
A Uniform mixture that can contain solids, liquids or gases.
A Homogeneous Mixture
Sugar Water
29
A Pure substance is...
Matter with a uniform and unchanging composition
A Physical property
The Characteristics and behavior of matter
The amount of mass per unit volume
30
A physical combination of two or more pure substances in which each pure substance retains it's chemical properties is..
Natural mixes of matter
A Mixture
Salt Water
All of the above
31
Elements are...
Atoms
Pt
All of the below
A Pure substance that can't be broken down into simpler substances.
