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Chemistry Final Exam Review
Chemistry Final Exam Review
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Final Exam Review
Flashcards
47 cards
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Questions
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Answers
1
The energy level of an electron depends on the ________ of its orbital
Shape
Size
Orientation
Spin
2
Which of the following is NOT a characteristic of metals?
Lustrous
Malleable
Ductile
Poor conductor of heat and electricity
3
a pH of ____ is neutral.
14
7
0
10
4
A solution with a pH of 4 is _____ acidic as a solution with a pH of 6.
More
Equally
Cannot be determined
Less
5
If the temperature of a liquid solvent increases, the solubility of a gaseous solute will ____
Increase
Fluctuate
Remain unchanged
Decrease
6
The process of a solid turning into a liquid is ____
Melting
Condensation
Evaporation
Freezing
7
The amount of solute dissolved in a certain amount of solvent is the ______ of the solution
Charge
Polarity
Mass
Concentration
8
What events create the heaviest elements?
Nuclear fission
Supernovas
The big bang
Inflation
9
What is the chemical formula of the molecule shown below?
C5H8Br
C4H8BrCl
CHBrCl
C4H7BrCl
10
What are you made out of?
Star dust
Star dust
Star dust
Star dust
11
Which of the following is a metalloid?
Carbon
Silicon
Neon
Titanium
12
Which of the following atomic models is no longer used today?
Plum Pudding Model
Quantum Model
Rutherford Model
Bohr Model
13
What describes the number of valence electrons that an element has?
Family
Block
Period
Group
14
Which of the following elements is MOST electronegative?
P
C
N
S
15
What are the two major ways that atoms fulfill the octet rule?
Sharing or gaining/losing protons
Converting protons into electrons
Sharing or gaining/losing electrons
Converting neutrons into electrons
16
Which of the following bonds is the strongest?
Polar covalent
Hydrogen
Ionic
Colvalent
17
What is the highest level of explanation of a phenomenon in science?
Law
Theory
Fact
Hypothesis
18
What is the most important equation?
E=mc2
PV=nRT
pH = -log[H+]
Eocell = E - RT/nF x lnQ
19
Chemistry is the Scientific Study of ...
Matter
Energy
Atoms
The Universe
20
What is the heaviest naturally occurring element?
Uranium
Helium
Iron
Livermorium
21
What type of bond will form between oxygen and hydrogen?
Ionic
Covalent
Metallic
Polar Covalent
22
What number of valence electrons do all elements besides H and He have?
2
4
8
1
23
What is the least common state of matter on earth?
Plasma
Solid
Liquid
Gas
24
Which number is greatest?
The number of galaxies in the universe
The number of grains of sand on earth
The number of atoms in a grain of sand
The number of stars in our galaxy
25
The most common unit of concentration is ____
Molarity
Molality
Morality
PPM
26
Which experiment showed that atoms are mostly empty space?
Plum Pudding Experiment
Cathode Ray Tube Experiment
Gold Foil Experiment
27
What is the most common element in the universe?
Iron
Hydrogen
Carbon
Helium
28
What is a property of matter?
Having mass
Entropy
Being affected by time
Taking up space
29
What is the heaviest element that can be fused in a core of a star?
Iron
Uranium
Livermorium
Neon
30
Which of the following is NOT one of the major groups of elements?
Metals
Metalloids
Non-Metals
Noble Gases
31
Which of the following is NOT one of the four most common elements in living things?
Carbon
Helium
Nitrogen
Oxygen
32
What is the charge on an electron?
+1
-1
0
+2
33
What device was used to discover the existence of electrons?
Gas Chromatography
Infrared spectroscopy
Cathode ray tubes
Mass spectrometry
34
What is another name for solutions?
Elements
Homogeneous mixtures
Compounds
Heterogeneous mixtures
35
What shape is an s orbital?
Sphere
Donut
Peanut
Cube
36
How many electrons form one covalent bond?
4
6
2
1
37
Which structure is largest?
A proton
A molecule
A nucleus
An atom
38
Which of the following is a correct description of an atom?
Electrons suspended in a soup of positive charges
A neutrally charged nucleus surrounded by neutrons
A positively charged nucleus surrounded by electrons
A negatively charged nucleus surrounded by protons
39
When two compounds can be mixed in any proportion, they are _____
Soluble
Miscible
Partially miscible
Immiscible
40
How many different naturally occurring elements exist?
118
56
92
100
41
An acid has a high concentration of ____
H+
Water
Electrons
OH-
42
What is the most common state of matter in the universe?
Plasma
Solid
Liquid
Gas
43
What state of matter has a definite shape and a definite volume?
Solid
Gas
Liquid
Plasma
44
What is the mass of a proton?
-1 AMU
14 AMU
1 AMU
0 AMU
45
Which of the following statements is correct?
A solvent is formed when a solution is dissolved in a solute
A solution is formed when a solvent is dissolved in a solute
A solute is formed when a solvent is dissolved in a solution
A solution is formed when a solute is dissolved in a solvent
46
How many electrons can fit in one orbital?
1
8
4
2
47
What is missing from the following nuclear equation:
226
Ra -->
222
Rn + _____
1H
2H
4He
2He
