CHEM 111 FINAL PSU 2026 PRACTICE
SOLUTION TEST BANK QUESTIONS WITH
SOLUTIONS GRADED A+
⩥ Experiment. Answer: something done to test a hypothesis that
produces new observations
⩥ Which of the following elements is most similar to oxygen?. Answer:
Se (in the same column)
⩥ Example of a mixture-
Air
Pure water
Hydrogen Fluoride. Answer: Air
⩥ If iodine melts at 114C and boils at 184C, what is its physical state at
199C?. Answer: gas
⩥ The state of matter for an object that has both definite volume and
definite shape is. Answer: solid
,⩥ A chemist needs 27.3 g of bromine for an experiment. What volume of
bromine should the chemist use? (Density of bromine = 3.12 g/cm3).
Answer: 8.75 mL
⩥ The gold foil experiment performed in Rutherford's lab. Answer: led
to the discovery of the atomic nucleus
⩥ A student finds that the weight of an empty beaker is 19.799 g. She
places a solid in the beaker to give a combined mass of 19.862 g. To
how many significant figures is the mass of the solid known?. Answer: 2
⩥ The symbol for titanium is. Answer: Ti
⩥ The number 243.3450 rounded off to five significant figures is.
Answer: 243.34
⩥ Which of the following is a homogeneous mixture?
pepperoni pizza
soil
maple syrup
pure water. Answer: maple syrup
⩥ How many protons, electrons, and neutrons, respectively, does 89Sr2+
have?. Answer: 38, 36, 51
, ⩥ Which of these is a chemical property?. Answer: Helium is very
nonreactive
⩥ Convert 931.6 qt to milliliters. Answer: 8.816 x 10^5 mL
⩥ Perform the following conversion: 5.33 m/s = __________ mi/h.
Answer: 11.9 mi/h
⩥ Convert 7.09 ng to ounces. Answer: 2.50 x 10^10 oz
⩥ The symbol Sn stands for the element. Answer: stannum
⩥ A graduated cylinder contains 20.0 mL of water. An irregularly shaped
object is placed in the cylinder, and the water level rises to the 31.2-mL
mark. If the object has a mass of 58.2 g, what is its density?. Answer:
5.20 g/mL
⩥ What is the Celsius equivalent of 756.4 K?. Answer: 483.4 C
⩥ Which of the following is an alkali metal?. Answer: Potassium
⩥ The symbol for lead is. Answer: Pb
SOLUTION TEST BANK QUESTIONS WITH
SOLUTIONS GRADED A+
⩥ Experiment. Answer: something done to test a hypothesis that
produces new observations
⩥ Which of the following elements is most similar to oxygen?. Answer:
Se (in the same column)
⩥ Example of a mixture-
Air
Pure water
Hydrogen Fluoride. Answer: Air
⩥ If iodine melts at 114C and boils at 184C, what is its physical state at
199C?. Answer: gas
⩥ The state of matter for an object that has both definite volume and
definite shape is. Answer: solid
,⩥ A chemist needs 27.3 g of bromine for an experiment. What volume of
bromine should the chemist use? (Density of bromine = 3.12 g/cm3).
Answer: 8.75 mL
⩥ The gold foil experiment performed in Rutherford's lab. Answer: led
to the discovery of the atomic nucleus
⩥ A student finds that the weight of an empty beaker is 19.799 g. She
places a solid in the beaker to give a combined mass of 19.862 g. To
how many significant figures is the mass of the solid known?. Answer: 2
⩥ The symbol for titanium is. Answer: Ti
⩥ The number 243.3450 rounded off to five significant figures is.
Answer: 243.34
⩥ Which of the following is a homogeneous mixture?
pepperoni pizza
soil
maple syrup
pure water. Answer: maple syrup
⩥ How many protons, electrons, and neutrons, respectively, does 89Sr2+
have?. Answer: 38, 36, 51
, ⩥ Which of these is a chemical property?. Answer: Helium is very
nonreactive
⩥ Convert 931.6 qt to milliliters. Answer: 8.816 x 10^5 mL
⩥ Perform the following conversion: 5.33 m/s = __________ mi/h.
Answer: 11.9 mi/h
⩥ Convert 7.09 ng to ounces. Answer: 2.50 x 10^10 oz
⩥ The symbol Sn stands for the element. Answer: stannum
⩥ A graduated cylinder contains 20.0 mL of water. An irregularly shaped
object is placed in the cylinder, and the water level rises to the 31.2-mL
mark. If the object has a mass of 58.2 g, what is its density?. Answer:
5.20 g/mL
⩥ What is the Celsius equivalent of 756.4 K?. Answer: 483.4 C
⩥ Which of the following is an alkali metal?. Answer: Potassium
⩥ The symbol for lead is. Answer: Pb
