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Basic Chemistry Quiz Flashcards | StudBud
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Basic Chemistry Quiz
Basic Chemistry Quiz
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1
How many
ELECTRONS
does this atom have?
4
3
2
2
How do you find density?
volume over density
volume over mass
mass over volume
density over mass
3
What is a result of water's high specific heat?
the temperature of a lake changes slowly
the temperature of a lake changes quickly
the temperature of a lake never changes
the temperature of a lake cannot be measured
4
How many
PROTONS
does this atom have?
2
4
3
5
t/f: Tracers are radioactive isotopes.
false
true
6
What subatomic particle(s) has a mass of 0.00054 amu?
Neutron & Proton
Electron
Proton
Electron & Proton
7
Chlorine-35 and Chlorine-37 are isotopes. What is NOT true about them?
They have the same number of electrons
They have the same chemical symbol
They have the same atomic mass
They have the same number of neutrons
8
What is the structure of an Atom?
Protons and electrons are in the nucleus, while Neutrons are outside
Protons and Neutrons are in the nucleus, while electrons are outside
9
What's the difference between cohesion and adhesion?
There's no difference
Cohesion=water 2 stuff, Adhesion=water sticks 2 itself
Cohesion=water sticks 2 itself,Adhesion=water sticks 2 stuff
I don't want to read
10
This subatomic particle of an atom has NO charge.
proton
neutron
electron
atom
11
Water has a high specific heat, which means...
It requires a high amount of energy to increase its temperature
It requires a low amount of energy to increase its temperature
It requires a high amount of energy loss to decrease its temperature
It requires a low amount of energy loss to decrease its temperature
12
Cohesion....
attracts two water molecules
attracts two molecules of two diffrent substances
Causes capillary action
Makes water less dense
13
JOKE: Why couldn't the nucleus stay positive?
It was lonely
It was too dense
It was surrounded by negativity
It was radioactive
14
What has a higher specific heat?
Oil
Water
15
Dodgy chemistry joke: What happens when a polar bear goes in the water?
Its belly gets fuller e'en if it only catches one fish.
It gets in alkynes of trouble
It dissolves
It gets wet. Duh.
16
What is Cohesion?
Liquids tendency to flow through gaps.
The force that holds molecules together.
The force that holds substances together.
A substance that contains only 1 element.
17
How are cohesion and adhesion alike?
Water is attracted to water
the action or fact of forming a united whole
They are both based on the root word "hesion," which means to stick.
Water is attracted to other substances.
18
The boiling point of water is
0 degrees Celsius
25 degrees Celsius
100 degrees Celsius
19
JOKE: What fish is made up of 2 sodium atoms? (Hint read phonetically)
2Na
Sardines
NaNa
Trout
20
As water freezes it becomes
more dense
less dense
21
Mass of 1 amu, negative charge:
Does not exist.
Neutron.
Proton.
Electron.
22
Cohesion
capillary action
Hydrogen bonds attract like molecules
cohesion and adhesion
Hydrogen bonds attract different types of molecules
23
Capillary action causes...
Water to spread throughout a surface.
Water to get stuck in one spot.
Water to rise up a narrow tube.
Water to soak into surfaces.
24
A Joke! How often do you like to joke about elements?
Um...
No, Mr. Kavitt.
Periodically
All the time?
25
Capillary action
Water forms hydrogen bonds with other substances
Water absorbs lots of heat before reaching its boiling point
Water forms hydrogen bonds with water molecules
Water moves upward in a structure, such as a tree trunk
26
What are the 6 most common elements in all living things?
C, Na, K, N, O, P
H, O, K, T, S, Na
C, H, N, O, P, S
A, T, P, C, H, P
27
What is transpiration?
The process of water being transported from soil to roots
The loss of water vapour from the leaves and stems of plants
The movement of water around a plant
The opening and closing of stomata
28
Which is a property of water?
Ice is denser than liquid water
Horrible Solvent
Good Solvent
Low Specific Heat
29
Transpiration occurs in the
leaves
stem
roots
flower
30
JOKE! What did the ice cream store clerk say to the neutron who ordered a sundae?
"Let's see some ID"
"We don't serve particles"
"Go back to your atom"
"For you, no charge"
31
I have a joke about covalent bonds...
Mr. Kavitt we don't want to hear jokes that help us remember covalent=share
Do share!!
HAHAHAHAHAHHAHAHAHAHHHAHA
Do tell!!
32
What is an atom made of?
Protons, Neutrons, and Electrons
Hydrogen, Protons, and Electrons
Helium, Neutrons, and Protons
CHOCOLATE, CHOCOLATE, and CHOCOLATE!!!!
33
How does cohesion help explain how you are able to squirt water across a room with a hose or water gun?
Cohesion keeps the water on the two bucket stuck because of hydrogen bonds.
A polar molecule and they connect through hydrogen bonds
Pressure in the water gun keeps hydrogen bonds together
Adhesion attracts the water molecules to the paper towel.
34
Radioisotopes are atoms that
can be synthesized only in nuclear reactors.
decay spontaneously to produce other elements.
never occur naturally.
emit sound radiation.
35
Solvent or solute?
solvent
solute
36
Water is a universal solvent.
False
True
37
Can we trust an atom as a witness?
Yes we can
No he's too scientific
Yes he has a photographic memory
No, he makes up everything
38
Water molecules have polarity.
False
True
39
radioactive dating
estimated guessss
way to determine actual age of fossil
40
Which block has the highest density?
Block A
Block C
Block D
Block B
41
An example of a hydrogen bond is the bond between
O and H within a water molecule (H2O)
the attraction between two water molecules
the attraction between two methane molecules
C and H within a methane molecule (CH4).
42
Adhesion is when water is attracted to other substances
False
True
43
The nucleus of a atom consists of ?
your mom
electrons and neutrons
electrons and protons
protons and neutrons
44
What factor(s) affect capillary action?
adhesion
both cohesion & adhesion
cohesion
neither cohesion or adhesion
45
which is dissolved in a solvent?
ALL OF THE ABOVE
solute
solution
solvent
46
JOKE: What fish is made up of 2 sodium atoms? (Hint read phonetically)
2Na
Sardines
NaNa
Trout
47
Water has high heat of _________.
Specifics
Melting
Vaporization
Calories
48
what is capillary action?
cohesion and adhesion moving to the ceiling
cohesion and adhesion moving upward against gravity
cohesion moving upward against gravity
adhesion moving upward against gravity
49
The density of water is 1.0 g/ml. What will float in water? If it has a density of:
more than 1.0 g/L
same as 1.0 g/L
less than 1.0 g/L
50
The stability of an isotope is dependent on?
The balance of protons and neutrons
The balance of electrons & neutrons
The balance of protons & electrons
The balance of protons
51
Ocean water changes temperature slowly, due to high specific heat and transparency.
FALSE
TRUE
52
JOKE: Why did the melon jump in the ocean
So he can dissolve
He wanted to get salted
He wanted to be a watermelon
53
Do you want to hear a joke about Nitrogen and Oxygen?
NO
sure
OK
What ?
54
JOKE: Oxygen and Potassium went on a date. How did it go?
MR. KAVITT THESE JOKES ARE HYSTERICAL HAHAHA
It went OK...
It went GREAT!
They had so much CHEMISTRY
55
Ice is ___________ dense than water
more
less
the same
56
I'd tell you a Chemistry joke
But all the good ones argon
But sodium
57
Adding soap to water strengths the surface tension.
True
False
58
A stable isotope has a stable _____
Nucleus
Neutrons
Protons
Electrons
59
What is an atom?
The basic unit of matter
A type of energy
The basic unit of energy
A type of matter
60
What are the most common elements found in living things
False, All of them are missing at least one
Carbon, Oxygen, Nitrogen, Phosphorus
Carbon, Hydrogen, Nitrogen, Oxygen, Phosphorus, Sulfur
Carbon, Hydrogen, Sulfur, Hemoglobin
61
The four most common elements in ALL living things are
D, U, M, B
C, O, P, N
N, C, Ca, H
O, N, H, C
62
Want to hear a joke about sodium?
No!
Yes!
Na
Sure
63
Which of the following is a hydrogen bond?
Bond between Na+ and Cl-.
Attraction of a + H in one water molecule and -O of another
Peptide bond between amino acids
Bond between C and O in CO2.
64
JOKE! What did the ice cream store clerk say to the neutron who ordered a sundae?
"For you, no charge"
"Go back to your atom"
"Let's see some ID"
"We don't serve particles"
65
why is water considered the universal solvent
lemon juice because it is considered an acid
because it can dissolve most solvents with ease
because it can dissolve more solutes with ease
all of the above
66
Water has a high specific heat?
False
True
67
Transpiration is part of the....
Avatar Cycle
Water Cycle
Nitrogen Cycle
Phosphorus Cycle
68
What type of bonding allows for cohesion and adhesion?
hydrogen bonding
ionic bonding
covalent bonding
69
cohesion at the surface of the water
condensation
evaporation
surfactant
surface tension
70
What is Polarity?
A magnetic or electric field
When polar bears come together
The flow of currents
When poles get struck with lightening
71
Solute + Solvent =
Salution
I dunno
Soda
Solution
72
Which flask has a higher concentration of solute to solvent?
2nd one
1st one
3rd one
4th one
73
What phase does this represent?
Donald Duck
Liquid
Gas
Solid
74
Cast iron heats up faster than concrete. Cast iron has a high specific heat.
True
IDK
False
Your Mama
75
How many neutrons does a carbon 14 have ?
14
6
8
0
76
What does amu stand for?
atomic matter unit
atomic mass unit
acute medical unit
atomic molar unit
77
adhesion
Material composed of 2 or more elements or compounds not chemical conbined
Type of mixture in which all components are evely distributed
Attraction between molecules of the same substance
Force of attraction between different kinds of molecules
78
Why does water have high specific heat?
Because of its Hydrogen Bonding
Because of its Surface Tension
Because it's Wet
Because of its Cohesion and Adhesion
79
How many
NEUTRONS
does this atom have?
3
4
2
80
Carbon-13 and Carbon-14 are examples of _______________ for the carbon element.
ions
isomers
indicators
isotopes
81
An isotope is...
an atom with the same protons but different neutrons
a chemical reaction
an atom with the same neutrons but different protons
an atom that hasn't been discovered yet
82
What is specific heat?
The heat energy required to raise 1 g of a substance 1 degree Fahrenheit
The heat energy required to raise 1 g of a substance 1 degree Celsius
Specific Heat
The temperature at which a substance will evaporate
83
Radioactive tracers are useful in...
fueling fusion reactions
calculating age of fossils
treating brain tumors
determining medical problems
84
What is the universal solvent?
oil
milk
juice
water
85
Solvent or solute?
solute
solvent
86
What is a benefit of ice floating?
Ice floating prevents water column from freezing over
Ice floating prevents waters from heating over
Floating creates a habitat for organisms to live on
Ice floating preserves ocean surface's pH levels
87
radioactive decay
radioactivity occurs when nucleus of stable atom breaks down
radioactivity when nucleus of unstable atom breaks down
88
Explain how cohesion and adhesion play a role in surface tension
allows the water droplet to stay attached to the leaves not running off
Adhesion and cohesion are important water properties that affects it
the tension of the surface film of a liquid
89
Mass of 1 amu, no charge:
Proton.
Electron.
Neutron.
Does not exist.
