CHEM 101 FINAL EXAM!!! QUESTIONS
WITH CORRECT ANSWERS
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 - CORRECT ANSWER -A. 30
Identify the noble gas in the following list.
A. oxygen
B. Helium
C. Chlorine
D. Gold
E. Nitrogen - CORRECT 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 - CORRECT ANSWER -B. Evaporation
Which of the following is a measurement of mass in the metric system?
A. milliliter
B. Kilogram
C. meter
D. Celsius
E. centimeter - CORRECT 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 - CORRECT 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 - CORRECT ANSWER -C. grinding coffee beans
WITH CORRECT ANSWERS
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 - CORRECT ANSWER -A. 30
Identify the noble gas in the following list.
A. oxygen
B. Helium
C. Chlorine
D. Gold
E. Nitrogen - CORRECT 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 - CORRECT ANSWER -B. Evaporation
Which of the following is a measurement of mass in the metric system?
A. milliliter
B. Kilogram
C. meter
D. Celsius
E. centimeter - CORRECT 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 - CORRECT 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 - CORRECT ANSWER -C. grinding coffee beans