CHEM 101 FINAL EXAM QUESTIONS
FULLY SOLVED 2026 UPDATED.
Consider a neutral atom with 30 protons and 34 neutrons. The number of electrons in this atom
is?
A. 30
B. 32
C. 34
D. 64
E. 94 - Answer A. 30
Identify the noble gas in the following list.
A. oxygen
B. Helium
C. Chlorine
D. Gold
E. Nitrogen - Answer B. Helium
The formation of a gas resulting from the escape of high-energy particles from the surface of a
liquid is known as.
A. deposition
B. evaporation
C. melting
D. Boiling
E. sublimation - Answer B. Evaporation
Which of the following is a measurement of mass in the metric system?
, E. centimeter - Answer B. kilogram
When solid is converted directly to a gas, the change of state is called
A. sublimation
B. condensation
C. boiling
D. melting
E. freezing - Answer A. sublimation
Which of the following is an example of a physical change?
A. digesting a cheeseburger
B. burning coal
C. grinding coffee beans
D. converting water to hydrogen and oxygen
E. baking a cake - Answer C. grinding coffee beans
Helium is a(n)
A. homogeneous mixture
B. electron
C. heterogeneous mixture
D. compound
E. element - Answer E. element
The specific heat of copper is 0.092 cal/g °C, and the specific heat of silver is 0.057 cal/g °C. If
100 cal of heat is added to one g of each metal at 25°C, what is the expected result?
A. the copper will reach a temperature lower than 25°C
B. The two samples will reach the temperature.
FULLY SOLVED 2026 UPDATED.
Consider a neutral atom with 30 protons and 34 neutrons. The number of electrons in this atom
is?
A. 30
B. 32
C. 34
D. 64
E. 94 - Answer A. 30
Identify the noble gas in the following list.
A. oxygen
B. Helium
C. Chlorine
D. Gold
E. Nitrogen - Answer B. Helium
The formation of a gas resulting from the escape of high-energy particles from the surface of a
liquid is known as.
A. deposition
B. evaporation
C. melting
D. Boiling
E. sublimation - Answer B. Evaporation
Which of the following is a measurement of mass in the metric system?
, E. centimeter - Answer B. kilogram
When solid is converted directly to a gas, the change of state is called
A. sublimation
B. condensation
C. boiling
D. melting
E. freezing - Answer A. sublimation
Which of the following is an example of a physical change?
A. digesting a cheeseburger
B. burning coal
C. grinding coffee beans
D. converting water to hydrogen and oxygen
E. baking a cake - Answer C. grinding coffee beans
Helium is a(n)
A. homogeneous mixture
B. electron
C. heterogeneous mixture
D. compound
E. element - Answer E. element
The specific heat of copper is 0.092 cal/g °C, and the specific heat of silver is 0.057 cal/g °C. If
100 cal of heat is added to one g of each metal at 25°C, what is the expected result?
A. the copper will reach a temperature lower than 25°C
B. The two samples will reach the temperature.
