Matter
Atoms, Elements, and the Periodic Table
Bonding
Chemical Reactions
Temperature & Heat
Random Knowledge
100
Which is most likely a physical change?
a. cutting a substance into four pieces
b. burning a substance into ash and smoke
c. reacting a substance chemically to form a new substance
d. combining a substance with water to make rust
a. cutting a substance into four pieces
100
The arrow is pointing to sodium’s
atomic mass
100
Which property describes a mixture?
It cannot be separated by physical methods.
It has a single chemical composition.
It cannot have more than one state of matter.
It cannot be described by a chemical symbol or formula.
It cannot be described by a chemical symbol or formula.
100
The Statue of Liberty is made out of copper and was once shiny and copper-colored. Over the years, the copper has gone through a process called oxidation, where it has changed into a new material.
What has occurred?
an endothermic reaction
an energy formation
a chemical reaction
a precipitate formation
a chemical reaction
100
In which of these can convection not occur?
A. gases
B. solids
C. liquids
D. fluids
B. solids
100
In which hand is the Statue of Liberty’s torch?
Right
200
Amount of matter in an object
Mass
200
Atom A and Atom B have the same number of protons and neutrons, but they do not have the same number of electrons.
Which statement describes the atoms?
a. The atoms have the same chemical symbol.
b. The atoms have the same charge.
c. The atoms have different atomic numbers.
d. The atoms have different atomic masses.
a. The atoms have the same chemical symbol.
200
Which lists mixtures, in order, from the smallest particles to the largest particles?
solution, colloid, suspension
solution, suspension, colloid
suspension, colloid, solution
suspension, solution, colloid
solution, colloid, suspension
200
What are the products of the combustion of a hydrocarbon?
carbon and oxygen
carbon dioxide and water
carbon and hydrogen
carbon dioxide and hydrogen
carbon dioxide and water
200
A student heats a liquid on a burner. What happens to the portion of liquid that first begins to warm?
A. It loses energy.
B. It becomes less dense.
C. It sinks downward.
D. Its molecules get closer together.
B. It becomes less dense.
200
On our flag, is the top stripe red or white?
red
300
If two items are equal in size, the denser one will be:
heavier or lighter
heavier
300
What are the two parts of an atom?
the nucleus and the electron cloud
300
"Na2SO3” represents sodium sulfite.
What does the 4 mean in the formula 4Na2SO3?
There are four atoms of sodium.
There are four atoms of sodium sulfite.
There are four molecules of sodium sulfite.
There are four elements in sodium sulfite.
There are four molecules of sodium sulfite.
300
Which symbol in a chemical equation separates the reactants from the products?
→
300
Which material is typically used as a thermal insulator?
copper
foam
ceramic
aluminum
Foam
300
Whose face is on a dime?
Franklin D. Roosevelt
400
Which describes a feature of the physical changes of all substances?
a. can dissolve in water
b. can conduct heat and electricity
c. rearranges atoms to form new substances
d. does not change the identity of a substance
d. does not change the identity of a substance
400
When an atom that has no charge loses two electrons, it becomes a ...
positive ion
400
What type of model is shown?
a structural formula
400
Which are the products in the equation
CH3SH + 4O2 → CO2 + SO2 +2H2O?
Write all that apply.
CH3SH
O2
CO2
SO2
H2O
CO2
SO2
H2O
400
A thermogram taken outside a house shows high amounts of thermal energy around the windows but not around the roof.
Which conclusion supports the thermogram?
A.) The windows and the roof are energy efficient.
B.) The windows and the roof are not energy efficient.
C.) The windows are not energy efficient, but the roof is energy efficient.
D.) The windows are energy efficient, but the roof is not energy efficient.
C.) The windows are not energy efficient, but the roof is energy efficient.
400
How much is a Baker’s Dozen?
13
500
What is the density of a 700 kg object with a volume of 649 m3? (Density: D = 
)
1.079 kg/m3
500
An atom of the element zinc has an atomic number of 30 and a mass number of 65. How many protons does an uncharged zinc atom have?
30
500
How many atoms of each element are in the chemical formula Ca(OH)2?
1 calcium, 2 oxygen, and 2 hydrogen
500
Which type of reaction has the general formula of AB + CD → AD + CB?
synthesis
decomposition
oxidation
replacement
replacement
500
Which accurately completes the statement?
Conduction involves the transfer of electric charge or ___________ due to the movement of particles.
Thermal Energy
500
Who is the hulk?
Bruce Banner
600
Which is the process by which a gas changes to a solid?
deposition, evaporation, freezing, sublimation?
deposition
600
While looking at xenon (Xe) on the periodic table, a student needs to find an element with a smaller atomic mass in the same group. Where should the student look?
a. directly up
b. directly down
c. directly to the left
d. directly to the right
a. directly up
600
Sal drew the electron dot diagram of an aluminum atom as shown. How should Sal correct his diagram?
He should add a single dot below the symbol.
600
How many chlorine atoms are on the products side of the reaction 2Al + 6HCl → 2AlCl3 + 3H2?
6
600
Heat transfer between two substances is affected by specific heat and the
a. chemical composition of the substances.
b. state of matter of the substances at room temperature.
c. thermal equilibrium of the substances.
d. amount of time and area of physical contact between the substances.
d. amount of time and area of physical contact between the substances.
600
Does a merry-go-round turn clockwise or counterclockwise?
- counterclockwise
700
During which change of state do atoms lose energy?
sublimation, freezing, boiling, or melting?
freezing
700
Who is known as the "father of modern chemistry” because he first organized all known elements into four different groups?
Antoine Lavoisier
700
Which refers to the type of chemical bond that involves the transfer of electrons between atoms?
Ionic
700
Thirty grams of lead oxide and fifteen grams of ammonia react completely to produce solid lead, nitrogen gas, and liquid water. What will be approximate mass of all three products?
45 g
700
Nuclear reactions in a reactor produce a lot of thermal energy. That energy then flows and warms up water, which boils and produces steam. The steam then turns turbines that generate electricity.
Which statement below can be made about the production of electricity in a nuclear reactor?
Heat flows in the form of electricity.
Heat flows from the reactor to the water.
The water produces heat.
The steam produces heat.
Heat flows from the reactor to the water.
700
How many curves are in a standard paper clip?
3
800
The density of an object is .835 g/cm3. If its volume is 34 cm3, what is the mass of the object? (Density: D = )
28.39 g
800
What trend does the reactivity of nonmetals show in a periodic table?
a. random changes without any trends on the periodic table
b. changes according to trends on the periodic table
c. increases from left to right across the periodic table
d. decreases from left to right across the periodic table
c. increases from left to right across the periodic table
800
What does the octet rule state that explains why atoms bond?
An atom bonds to have eight valence electrons to become stable.
800
What else is produced during the replacement reaction of silver nitrate and potassium sulfate?
2AgNO3 + K2SO4 
Ag2SO4 + ________
KNO3
2KNO3
K2
2AgNO3
2KNO3
800
Carmen is heating some water and trying to measure the temperature of water using a Celsius thermometer. Which measurement can she expect once the water begins to boil?
32°C
100° C
212°C
373°C
100° C
800
Who was the only player in NBA history to score 100 points in a game?
- Kobe Bryant
- Michael Jordan
- Wilt Chamberlain
- Javalee McGee
- Wilt Chamberlain