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WorksheetsChemistry Final Review
Total questions: 70
Worksheet time: 35mins
Look at the picture. What is Lindsay doing that demonstrates safe or unsafe lab behavior?
Drinking chemicals in the lab
Hair is tied back, wearing goggles, and wearing safety apron
Hair is not tied back around open flame
Horseplaying in the lab
While heating, test tube is pointed away from self and others
Look at the picture. What is Sarah doing that demonstrates safe or unsafe lab behavior?
Drinking chemicals in the lab
Hair is tied back, wearing goggles, and wearing safety apron
Hair is not tied back around open flame
Horseplaying in the lab
While heating, test tube is pointed away from self and others
Look at the picture. What is Savannah doing that demonstrates safe or unsafe lab behavior?
Drinking chemicals in the lab
Hair is tied back, wearing goggles, and wearing safety apron
Hair is not tied back around open flame
Horseplaying in the lab
While heating, test tube is pointed away from self and others
Look at the picture. What is Will doing that demonstrates safe or unsafe lab behavior?
Drinking chemicals in the lab
Hair is tied back, wearing goggles, and wearing safety apron
Hair is not tied back around open flame
Horseplaying in the lab
While heating, test tube is pointed away from self and others
Look at the picture. What is Fredy doing that demonstrates safe or unsafe lab behavior?
Drinking chemicals in the lab
Hair is tied back, wearing goggles, and wearing safety apron
Hair is not tied back around open flame
Horseplaying in the lab
Drinking from lab glassware during a lab
Look at the picture. What is Evan doing that demonstrates safe or unsafe lab behavior?
Drinking chemicals in the lab
Hair is tied back, wearing goggles, and wearing safety apron
Hair is not tied back around open flame
Horseplaying in the lab
Drinking from lab glassware during a lab
What is a compound?
A type of matter with fixed composition
Two or more substances that can be separated
A mixture that is not even throughout
Two or more elements chemically combined together
What is a substance?
A type of matter with fixed composition
Two or more substances that can be separated
A mixture that is not even throughout
Two or more elements chemically combined together
What is an element?
A substance made of atoms that are all alike
Two or more substances that can be separated
A mixture that is not even throughout
Two or more elements chemically combined together
What is a mixture?
A substance made of atoms that are all alike
Two or more substances that can be separated
A mixture that is not even throughout
Two or more elements chemically combined together
What is a homogeneous mixture?
A substance made of atoms that are all alike
A mixture that is even throughout
A mixture that is not even throughout
Two or more elements chemically combined together
What is a heterogeneous mixture?
A substance made of atoms that are all alike
A mixture that is even throughout
A mixture that is not even throughout
Two or more elements chemically combined together
Which of the following is an example of a compound?
NaCl (table salt)
Hydrogen (H2)
Tossed salad (lettuce, tomato, cucumber)
Brass (pennies)
Which of the following is an example of an element?
NaCl (table salt)
Hydrogen (H2)
Tossed salad (lettuce, tomato, cucumber)
Brass (pennies)
Which of the following is an example of a homogeneous mixture?
NaCl (table salt)
Hydrogen (H2)
Tossed salad (lettuce, tomato, cucumber)
Brass (pennies)
Which of the following is an example of a heterogeneous mixture?
NaCl (table salt)
Hydrogen (H2)
Tossed salad (lettuce, tomato, cucumber)
Brass (pennies)
What atomic structure does the letter A point to?
electron
electron cloud
proton
neutron
nucleus
What atomic structure does the letter B point to?
electron
electron cloud
proton
neutron
nucleus
What atomic structure does the letter C point to?
electron
electron cloud
proton
neutron
nucleus
What atomic structure does the letter D point to?
electron
electron cloud
proton
neutron
nucleus
What atomic structure does the letter E point to?
electron
electron cloud
proton
neutron
nucleus
What is the charge of a proton?
positive
negative
neutral
What is the charge of an electron?
positive
negative
neutral
What is the charge of a neutron?
positive
negative
neutral
What is the A pointing to?
element name
element symbol
atomic mass
atomic number
What is the B pointing to?
element name
element symbol
atomic mass
atomic number
What is the C pointing to?
element name
element symbol
atomic mass
atomic number
What is the D pointing to?
element name
element symbol
atomic mass
atomic number
On a periodic table, what is a group?
element that is not shiny, malleable, ductile, and is a bad conductor of heat and electricity
electrons in the outermost shell of an atom
vertical column with the same number of valence electrons
horizontal row with the same number of atomic orbitals
On a periodic table, what is a period?
element that is not shiny, malleable, ductile, and is a bad conductor of heat and electricity
electrons in the outermost shell of an atom
vertical column with the same number of valence electrons
horizontal row with the same number of atomic orbitals
On a periodic table, what is a nonmetal?
element that is not shiny, malleable, ductile, and is a bad conductor of heat and electricity
electrons in the outermost shell of an atom
vertical column with the same number of valence electrons
horizontal row with the same number of atomic orbitals
On a periodic table, what is a metal?
element that is shiny, malleable, ductile, and is a good conductor of heat and electricity
electrons in the outermost shell of an atom
element that shares some properties with metals and some with nonmetals
horizontal row with the same number of atomic orbitals
On a periodic table, what is a metalloid?
element that is shiny, malleable, ductile, and is a good conductor of heat and electricity
electrons in the outermost shell of an atom
element that shares some properties with metals and some with nonmetals
horizontal row with the same number of atomic orbitals
What is a valence electron?
element that is shiny, malleable, ductile, and is a good conductor of heat and electricity
electrons in the outermost shell of an atom
element that shares some properties with metals and some with nonmetals
horizontal row with the same number of atomic orbitals
What is an ionic bond?
bond in which electrons are shared equally
bond in which electrons are not shared equally
bond in which electrons are transferred
a measure of how good an atom is at attracting electrons
What is a polar covalent bond?
bond in which electrons are shared equally
bond in which electrons are not shared equally
bond in which electrons are transferred
a measure of how good an atom is at attracting electrons
What is a nonpolar covalent bond?
bond in which electrons are shared equally
bond in which electrons are not shared equally
bond in which electrons are transferred
a measure of how good an atom is at attracting electrons
What is a electronegativity?
bond in which electrons are shared equally
bond in which electrons are not shared equally
bond in which electrons are transferred
a measure of how good an atom is at attracting electrons
Use electronegativity values to determine what type of bond Li & O will form.
ionic bond
polar covalent bond
nonpolar covalent
Use electronegativity values to determine what type of bond C & O will form.
ionic bond
polar covalent bond
nonpolar covalent
Use electronegativity values to determine what type of bond H & H will form.
ionic bond
polar covalent bond
nonpolar covalent
What is the name of the polyatomic ionic compound NaOH?
Calcium hydroxide
Calcium oxide
Sodium hydroxide
Sodium oxide
What is the name of the covalent compound CO2?
Carbon oxide
Monocarbon dioxide
Carbon dioxide
Monocarbon oxide
What is the name of the binary ionic compound LiO?
Lithium oxide
lithium hydroxide
Lithium nitride
lithium fluoride
What is the formula for the ionic compound sodium chloride?
Na2Cl
Na2Cl3
NaCl
NC
What is the formula for the polyatomic ionic compound potassium cyanide?
KCN
PCN
KC
PN
What is the formula for the covalent compound dihydrogen monoxide?
HO
HO2
H2O2
H2O
In a chemical reaction, what is a reactant?
the new substances formed
the starting substance that reacts
a chemical equation with the same number and type of elements on both sides of the equation
the mass of reactants is the same as the mass of products
In a chemical reaction, what is a product?
the new substances formed
the starting substance that reacts
a chemical equation with the same number and type of elements on both sides of the equation
the mass of reactants is the same as the mass of products
In a chemical reaction, what is a balanced equation?
the new substances formed
the starting substance that reacts
a chemical equation with the same number and type of elements on both sides of the equation
the mass of reactants is the same as the mass of products
What is the Law of Conservation of Mass?
the new substances formed
the starting substance that reacts
a chemical equation with the same number and type of elements on both sides of the equation
the mass of reactants is the same as the mass of products
What numbers go in the blanks to balance the equation?
__CH4 + __O2 → __ CO2 + __H2O
1, 2, 1, 2
1, 2, 3, 4
3, 6, 9, 12
1, 13, 53, 1
What numbers go in the blanks to balance the equation?
__Fe2O3 + __C → __ Fe + __CO2
1, 2, 1, 2
2, 3, 4, 3
3, 6, 9, 12
2, 1, 2, 1
What numbers go in the blanks to balance the equation?
__SnO2 + __H2 → __ Sn + __H2O
1, 2, 1, 2
1, 3, 3, 1
1, 16, 16, 1
2, 5, 4, 7
What type of reaction is C10H8 + 12O2 → 10CO2 +4H2O?
synthesis
decomposition
single replacement
double replacement
combustion
What type of reaction is CaO + H2O → Ca(OH)2?
synthesis
decomposition
single replacement
double replacement
combustion
What type of reaction is Fe + CuSO4 → FeSO4 + Cu?
synthesis
decomposition
single replacement
double replacement
combustion
What type of reaction is NaCl + AgNO3 → NaNO3 + AgCl?
synthesis
decomposition
single replacement
double replacement
combustion
What type of reaction is NH4NO3 → N2O + 2H2O?
synthesis
decomposition
single replacement
double replacement
combustion
What is the collision model?
substance that speeds up a chemical reaction
substance that slows down a chemical reaction
states that particles must collide in order to react
What is a catalyst?
substance that speeds up a chemical reaction
substance that slows down a chemical reaction
states that particles must collide in order to react
What is an inhibitor?
substance that speeds up a chemical reaction
substance that slows down a chemical reaction
states that particles must collide in order to react
If you decrease the temperature of a reaction, what will happen to the reaction rate?
rate will increase
rate will decrease
rate will stay the same
unknown
If you increase concentration of a reaction, what will happen to the reaction rate?
rate will increase
rate will decrease
rate will stay the same
unknown
If you decrease the volume of a reaction, what will happen to the reaction rate?
rate will increase
rate will decrease
rate will stay the same
unknown
If you increase the surface area of a reaction, what will happen to the reaction rate?
rate will increase
rate will decrease
rate will stay the same
unknown
What is a solution?
The amount of solute that can be dissolved in a specific amount of solvent at a specific temperature
The substance being dissolved
The substance doing the dissolving
A solute and solvent mixed together
What is a solute?
The amount of solute that can be dissolved in a specific amount of solvent at a specific temperature
The substance being dissolved
The substance doing the dissolving
A solute and solvent mixed together
What is a solvent?
The amount of solute that can be dissolved in a specific amount of solvent at a specific temperature
The substance being dissolved
The substance doing the dissolving
A solute and solvent mixed together
What is solubility?
The amount of solute that can be dissolved in a specific amount of solvent at a specific temperature
The substance being dissolved
The substance doing the dissolving
A solute and solvent mixed together
