WorksheetsChemistry Quiz (Exam review)
Total questions: 33
Worksheet time: 19mins
A negatively charged ion is known as a:
Proton
Anion
Electricity
Cation
Covalent bonding involves:
A transfer of electrons
Trading electrons
Sharing electrons
None of the above
How many electrons would calcium lose to assume a noble electron configuration?
1
2
3
4
The chemical formula for aluminum fluoride is:
AlF
PbF
Al₂F
AlF₃
How many grams are in one mole of palladium?
58.9
106.4
155.1
12.9
The period number of an element is also the:
Number of protons
Number of valence electrons
Number of valence electron shells
Number of electron shells
What information does the atomic number of an element provide?
The molar mass of the element
The number of protons
Number of neutrons
Number of valence electrons
An ionic bond is --
Metal to metal
Metal to non-metal
Non-metal to non-metal
Students complete a laboratory investigation. Who is responsible for cleaning up and returning the materials to their proper places?
The students who performed the lab
The students entering the lab next period
The custodians
The teacher
Which of these is not a reliable resource to use for determining the hazards of a chemical?
Your laboratory partner
Pre-lab instructions given in class
A Safety Data Sheet
Your teacher
Matter is defined as anything that --
Has energy
Has mass and volume
Can be seen and touched
Is chemically stable
Which of these is not a type of matter?
Solids
Liquids
Light
The chemical name for the covalently bonded molecule SBr3 is:
Sulfur boride
Sulfur tribromide
Monosulfur bromide
Sulfur bromate
Alkali metals in group 1 are unreactive because they only have 1 valence electron.
True
False
The following is what type of reaction?
2C2H6 + 7O2 -----> 4CO2 + 6H2O
Single replacement
Double replacement
Decomposition
Combustion
How many moles of oxygen are consumed in the reaction in this reaction?
2C2H6 + 7O2 -----> 4CO2 + 6H2O
2
6
4
7
The name dinitrogen trioxide tells you that this compound contains:
2 nitrogen atoms and 2 oxygen atoms.
3 nitrogen atoms and 2 oxygen atoms.
2 nitrogen atoms and 3 oxygen atoms.
4 nitrogen atoms and 4 oxygen atoms.
Boyle's Law states that P₁V₁ = P₂V₂ which is an inverse relationship.
True
False
A covalent bond is:
Metal to metal
Metal to non-metal
Non-metal to non-metal
Which of these is not a property of gases?
Volume
Pressure
Length
Temperature
# of mols
Charles's Law states that when the volume of a gas increases, temperature will:
Increase
Stay the same
Decrease
Fluctuate
According to Lussac’s Law, when the temperature of a gas decreases, pressure will:
Increase
Stay the same
Decrease
Fluctuate depending on the gas
A piston contains 4 L of oxygen at a pressure of 3.5 atm. If the piston compresses the gas to 5.5 atm, what will be the final volume?
6 L
4 L
2.5 L
1.6 L
A 12 L bottle of gas at 305 K is placed in a freezer and cooled to 273 K. What will be the final volume of gas?
10.7 L
12.5 L
8 L
24.3 L
An aerosol paint can has a pressure of 3.9 atm at a temperature of 275 K. What will be the final pressure if the container is heated to 400 K?
1.5 atm
7.1 atm
5.7 atm
What is the molarity of a solution that contains 0.5 moles of HCl dissolved in enough water to make 2.50 L of solution?
0.5 M
1.25 M
5.0 M
0.2 M
If 1.50 L of solution has a concentration of 0.6 M, how many moles of solute are present?
0.9 moles
2.5 moles
0.4 moles
1.0 moles
A pitcher of kool-aid is made with powder, sugar, and water. Identify the solvent.
powder
sugar
water
A glass of Kool-Aid is made with water and powder. Identify the solute.
Water
Powder
Neutral solutions have a pH of (a) . Acids have a pH of (b) . Bases have a pH of (c) .
In an ionic bond, electrons are (a) from the (b) to the (c) . Ionic bonds are (d) because of the big difference in electronegativity.
Which of the following compounds is likely to have ionic bonds?
CO2 (Carbon dioxide)
NaCl (Sodium chloride)
O2 (Oxygen gas)
CH4 (Methane)
If an atom (a) electrons, it will become negative.
If an atom (b) electrons, it will become positive.
