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Mid-Term Review Chemestry Flashcards | StudBud
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Mid-Term Review Chemestry
Mid-Term Review Chemestry
25 terms
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1
Is an example of non-renewable source of energy:
Natural Gas
Hydraulics
Tidal
Sun
2
The process shown in the following picture represents:
Chromatography
Decantation
Filtration
Distilation
3
Which one is
NOT
a homogeneous mixtures
Rainwater
Oil
Water
Concrete
4
Solar, Wind, Biomass and Geothermal energies are considered "CLEAN" sources
False
True
5
Both elements and compounds can be represented chemically through a formula
False
True
6
State of matter were particles are ionized and are highly charged with high kinetic energy
Liquid
Gas
Solid
Plasma
7
Composition of one type of atom, cannot be separated into simpler substances
Mixtures
Pure Substances
Compound
Elements
8
State of matter in which particles are closely packed and are being held together by very strong forces
Liquid
Plasma
Solid
Gas
9
Law that states that "Elements combine to form compounds and always do in fixed quantities"
Law of Multiple Proportion
Law of Universal Gravitation
Law of Definite Proportion
None of them
10
Greek phylosopher that used the term "atom" for the first time
Democritus
None of them
Plato
All of them
11
Is a method used to separate heterogeneous mixture
Chromatography
Distilation
Decantation
None
12
Are the 4 quantum numbers that describe the location of an electron
s,p,d,f
l,m,n,o
n,l,m,s
s,n,p,f
13
Composed of two or more elements an always combined in the same proportion
Mixtures
Pure Substances
Compounds
Element
14
Science that studies the composition, structure, properties and changes of matter
Biology
Chemistry
Math
Physics
15
The following Orbital diagram is:
Valid
Not Valid
16
Which is a chemical property
Malleability
All of them
Flammability
Density
17
Has a fixed composition
Pure substances
Colloids
None
Mixtures
18
Contain two or more different substances that are physically mixed but not chemically combined
Elements
Isotopes
Mixtures
Compund
19
State in which particles are free to move over each other, but are still attracted to each other
Plasma
Solid
Liquid
Gas
20
Type of energy that is defined as the energy stored in the bonds between atoms
Kinetics
Chemical
Chemical
Thermal
21
Which statement accurately describes the relationship between the color of a wave and its energy level
Color and Energy level are unrelated
Shorter Wavelength corresponds to higher energy
As Wavelength increases, energy level stays the same
Longer Wavelength corresponds to higher energy
22
In the electromagnetics spectrum, which color of light has the highest energy
Red
Blue
Green
Yellow
23
Elements and compounds are pure substances, so they cannot be separated into simpler substances
True
False
24
Which one is a Pure Substance
Rocks
Gold
Iron
Sulfuric Acid
25
Sciences related to Chemistry
Math
Medicine
Biology
All
